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Release history

Aider writes most of its own code, usually about 70-80% of the new code in each release. These statistics are based on the git commit history of the aider repo.

Release notes

main branch

  • Added support for Claude 4.5/4.6 models and updated model aliases (sonnet/haiku/opus).
  • Expanded Gemini model support with 2.5 Flash and Flash‑Lite, added Gemini 3 preview models, and updated the flash alias to gemini/gemini-flash-latest.
  • Added DeepSeek Reasoner model and updated DeepSeek model metadata with costs and prompt caching.
  • Added BadGatewayError and ImageFetchError to handled exceptions.
  • Fixed exception mapping to only include real exception classes, avoiding runtime errors, by Claudia Pellegrino.
  • Repo map now tags Fortran, Haskell, Julia, and Zig and is compatible with newer tree-sitter Python APIs, by Varchas Gopalaswamy, Tim Put, and Mubashir Osmani.
  • Removed deprecated google-generativeai dependency to eliminate import warnings, by Mark McDonald.
  • Added settings for new OpenAI GPT‑5.1/5.2 and GPT‑5‑pro models across OpenAI, Azure, and OpenRouter, including chat and codex variants.
  • Changed the gemini alias to point to gemini/gemini-3-pro-preview.
  • Added support for OpenAI o1-pro model.
  • Added support for GPT‑5.3/5.4 model variants across OpenAI, Azure, and OpenRouter, plus GPT‑4.1‑nano.
  • Added /ok as a shortcut for asking aider to go ahead with the proposed changes, with optional extra instructions.
  • When auto-commits are disabled, aider can add files outside the git repo and promote read-only files to editable, by Chris McCormick.
  • Fixed crashes caused by circular symlink loops when resolving paths, by coder_3.
  • Aider wrote 62% of the code in this release.

Aider v0.86.1

  • Added a reasoning_effort setting for GPT-5 models and disabled temperature by default for the GPT-5 family.

Aider v0.86.0

  • Expanded GPT-5 model support across family variants and providers (OpenAI, Azure, OpenRouter), including dated and chat/mini/nano variants.
  • Aider wrote 88% of the code in this release.

Aider v0.85.5

  • Enforced diff edit format for GPT-5 models.
  • Added support for the reasoning_effort setting for GPT-5 models.
  • Fixed model detection to correctly apply GPT-5 settings to versioned names (gpt-5 and gpt-5-2025-08-07).

Aider v0.85.4

  • Added support for openai/gpt-5
  • Fixed analytics to support the latest PostHog SDK event-capture API.
  • Disabled temperature when using GPT-5 models for more deterministic outputs.

Aider v0.85.3

  • Bumped dependencies to pick up latest litellm==1.75.0.

Aider v0.85.2

  • Added support for Grok-4 via xai/grok-4 and openrouter/x-ai/grok-4 model names.
  • Added support for gemini/gemini-2.5-flash-lite-preview-06-17 model, by Tamir Zahavi-Brunner.
  • /clear now prints “All chat history cleared.” so you know it worked, by Zexin Yuan.
  • /undo output now shows only the first line of each commit message, making it easier to read.
  • Fixed an issue where new settings for an existing model didn’t replace the old ones, by Andrew Grigorev.
  • Added support for openrouter/moonshotai/kimi-k2 model, by Jack Harrington.

Aider v0.85.1

  • Display model announcements with no-arg /model command.

Aider v0.85.0

  • Support for Responses API models like o1-pro, o3-pro.
  • Updated pricing for o3.
  • Added support for new Gemini models including gemini-2.5-pro, gemini-2.5-flash, and gemini-2.5-pro-preview-06-05 with thinking tokens support.
  • Updated model aliases: flash now points to gemini-2.5-flash and gemini now points to gemini-2.5-pro.
  • Added --add-gitignore-files flag to enable adding files listed in .gitignore to Aider’s editing scope, by omarcinkonis.
  • Added --commit-language option to specify the language for commit messages, by Kyosuke Takayama.
  • Enhanced thinking tokens support: can now be disabled by setting to 0, and improved help text with examples.
  • Added MATLAB language support for repository maps, by Matthew Tofano.
  • Added support for OpenAI o3-pro model across multiple providers.
  • Improved GitHub Copilot token handling with better validation and error messages, by Vincent Taverna and Sebastian Estrella.
  • Fixed encoding issues in git diff output and LLM history logging.
  • Enhanced commit message generation to use system prompt prefixes, by Luke Reeves.
  • Improved inline code rendering in Rich markdown output, by Vamsi Talupula.
  • Fixed Vertex AI model name prefixes in settings, by Wietse Venema.
  • Improved /read-only command to resolve literal paths correctly, by Matteo Landi.
  • Skip expensive file tracking operations when --skip-sanity-check-repo is enabled for better performance, by Makar Ivashko.
  • Ensure pip is available before package installation.
  • Auto-create parent directories for chat history files to prevent startup errors, by contributor.
  • Fixed search block regex to accept optional closing tags when working with HTML content, by Mathis Beer.
  • Co-authored-by attribution is now enabled by default for commit messages.
  • Added Clojure language support for repository maps, by Garrett Hopper.
  • Added custom PostHog analytics configuration options with --analytics-posthog-host and --analytics-posthog-project-api-key flags, by Vasil Markoukin.
  • Optimized chat history summarization performance, by jayeshthk.
  • Improved kebab-case identifier recognition in repository maps for better code analysis.
  • Increased max tokens for Deepseek models to 65536 for better performance.
  • Aider wrote 21% of the code in this release.

Aider v0.84.0

  • Added support for new Claude models including the Sonnet 4 and Opus 4 series (e.g., claude-sonnet-4-20250514, claude-opus-4-20250514) across various providers. The default sonnet and opus aliases were updated to these newer versions.
  • Added support for the vertex_ai/gemini-2.5-flash-preview-05-20 model.
  • Fixed OpenRouter token cost calculation for improved accuracy.
  • Updated default OpenRouter models during onboarding to deepseek/deepseek-r1:free for the free tier and anthropic/claude-sonnet-4 for paid tiers.
  • Automatically refresh GitHub Copilot tokens when used as OpenAI API keys, by Lih Chen.
  • Aider wrote 79% of the code in this release.

Aider v0.83.2

  • Bumped configargparse to 1.7.1 as 1.7 was pulled.
  • Added shell tab completion for file path arguments (by saviour) and for --edit-format/--editor-edit-format options.
  • Improved OpenRouter model metadata handling by introducing a local cache, increasing reliability and performance.
  • The /settings command now displays detailed metadata for active main, editor, and weak models.
  • Fixed an issue where files explicitly added via the command line were not correctly ignored if listed in .gitignore.
  • Improved automatic commit messages by providing more context during their generation, by wangboxue.

Aider v0.83.1

  • Improved user language detection by correctly normalizing hyphenated language codes (e.g., en-US to en) and enhancing the validation of locale results.
  • Prevented Aider from instructing the LLM to reply in ‘C’ or ‘POSIX’ when these are detected as the system locale.
  • Displayed a spinner with the model name when generating commit messages.

Aider v0.83.0

  • Added support for gemini-2.5-pro-preview-05-06 models.
  • Added support for qwen3-235b models.
  • Added repo-map support for OCaml and OCaml interface files, by Andrey Popp.
  • Added a spinner animation while waiting for the LLM to start streaming its response.
  • Updated the spinner animation to a Knight Rider style.
  • Introduced --attribute-co-authored-by option to add co-author trailer to commit messages, by Andrew Grigorev.
  • Updated Gemini model aliases (e.g., gemini, gemini-2.5-pro) to point to the 05-06 preview versions.
  • Marked Gemini 2.5 Pro preview models as overeager by default.
  • Commit message prompt specifies the user’s language.
  • Updated the default weak model for Gemini 2.5 Pro models to gemini/gemini-2.5-flash-preview-04-17.
  • Corrected gemini-2.5-pro-exp-03-25 model settings to reflect its lack of support for thinking_budget.
  • Ensured model-specific system prompt prefixes are placed on a new line before the main system prompt.
  • Added tracking of total tokens sent and received, now included in benchmark statistics.
  • Automatically fetch model parameters (context window, pricing) for OpenRouter models directly from their website, by Stefan Hladnik.
  • Enabled support for thinking_tokens and reasoning_effort parameters for OpenRouter models.
  • Improved cost calculation using litellm.completion_cost where available.
  • Added model settings for openrouter/google/gemini-2.5-pro-preview-03-25.
  • Added --disable-playwright flag to prevent Playwright installation prompts and usage, by Andrew Grigorev.
  • The aider scrape command-line tool will now use Playwright for web scraping if it is available, by Jon Keys.
  • Fixed linter command execution on Windows by adopting oslex for argument quoting, by Titusz Pan.
  • Improved cross-platform display of shell commands by using oslex for robust argument quoting, by Titusz Pan.
  • Improved /ask mode to instruct the LLM to elide unchanging code in its responses.
  • Ensured web scraping in the GUI also respects Playwright availability and the --disable-playwright flag.
  • Improved display of filenames in the prompt header using rich Text formatting.
  • Enabled reasoning_effort for Gemini 2.5 Flash models.
  • Added a --shell-completions argument to generate shell completion scripts (e.g., for bash, zsh).
  • Explicit --attribute-author or --attribute-committer flags now override the default behavior when --attribute-co-authored-by is used, allowing finer control over commit attribution, by Andrew Grigorev.
  • Fixed an issue where read-only status of files might not be preserved correctly by some commands (e.g. /drop after adding a read-only file).
  • The aider-args utility (or python -m aider.args) now defaults to printing a sample YAML configuration if no arguments are provided.
  • Displayed token count progress and the name of the file or identifier being processed during repo map updates.
  • Extended the waiting spinner to also show for non-streaming responses and further enhanced its animation with console width clipping, cursor hiding, and a more continuous appearance.
  • Dropped support for Python 3.9.
  • Aider wrote 55% of the code in this release.

Aider v0.82.3

  • Add support for gemini-2.5-flash-preview-04-17 models.
  • Improved robustness of edit block parsing when filenames start with backticks or fences.
  • Add new udiff-simple edit format, for Gemini 2.5 Pro.
  • Update default weak/editor models for Gemini 2.5 Pro models to use gemini-2.5-flash-preview-04-17.
  • Instruct models to reply in the user’s detected system language.
  • Fix parsing of diffs for newly created files (--- /dev/null).
  • Add markdown syntax highlighting support when editing multi-line commit messages via /commit, by Kay Gosho.
  • Set Gemini 2.5 Pro models to use the overeager prompt setting by default.
  • Add common file types (.svg, .pdf) to the default list of ignored files for AI comment scanning (--watch).
  • Skip scanning files larger than 1MB for AI comments (--watch).

Aider v0.82.2

  • Fix editing shell files with diff-fenced, by zjy1412.
  • Improve robustness of patch application by allowing multiple update/delete actions for the same file within a single response.
  • Update prompts to instruct LLMs to consolidate all edits for a given file into a single block within the patch.

Aider v0.82.1

  • Added support for o3 and o4-mini including provider-specific versions for OpenAI, OpenRouter, and Azure.
  • Added support for Azure specific gpt-4.1 and gpt-4.1-mini models.
  • Disabled streaming for o3 models since you need identity verification to stream.
  • Fixed handling of file paths in unified diffs, especially those generated by git.

Aider v0.82.0

  • Support for GPT 4.1, mini and nano.
  • Added new patch edit format for OpenAI’s GPT-4.1 model.
  • Improved support for using architect mode with Gemini 2.5 Pro.
  • Added new editor-diff, editor-whole, and editor-diff-fenced edit formats.
  • Bugfix for automatically selecting the best edit format to use in architect mode.
  • Added support for grok-3-fast-beta and grok-3-mini-fast-beta models.
  • Aider wrote 92% of the code in this release.

Aider v0.81.3

  • Commit messages generated by aider are no longer forced to be entirely lowercase, by Peter Hadlaw.
  • Updated default settings for Grok models.

Aider v0.81.2

  • Add support for xai/grok-3-beta, xai/grok-3-mini-beta, openrouter/x-ai/grok-3-beta, openrouter/x-ai/grok-3-mini-beta, and openrouter/openrouter/optimus-alpha models.
  • Add alias “grok3” for xai/grok-3-beta.
  • Add alias “optimus” for openrouter/openrouter/optimus-alpha.
  • Fix URL extraction from error messages.
  • Allow adding files by full path even if a file with the same basename is already in the chat.
  • Fix quoting of values containing ‘#’ in the sample aider.conf.yml.
  • Add support for Fireworks AI model ‘deepseek-v3-0324’, by Felix Lisczyk.
  • Commit messages generated by aider are now lowercase, by Anton Ödman.

Aider v0.81.1

  • Added support for the gemini/gemini-2.5-pro-preview-03-25 model.
  • Updated the gemini alias to point to gemini/gemini-2.5-pro-preview-03-25.
  • Added the gemini-exp alias for gemini/gemini-2.5-pro-exp-03-25.

Aider v0.81.0

  • Added support for the openrouter/openrouter/quasar-alpha model.

  • Run with aider --model quasar

  • Offer OpenRouter OAuth authentication if an OpenRouter model is specified but the API key is missing.

  • Prevent retrying API calls when the provider reports insufficient credits.

  • Improve URL detection to exclude trailing double quotes.

  • Aider wrote 86% of the code in this release.

Aider v0.80.4

  • Bumped deps to pickup litellm change to properly display the root cause of OpenRouter “choices” errors.

Aider v0.80.3

  • Improve error message for OpenRouter API connection issues to mention potential rate limiting or upstream provider issues.
  • Configure weak models (gemini/gemini-2.0-flash and openrouter/google/gemini-2.0-flash-exp:free) for Gemini 2.5 Pro models.
  • Add model metadata for openrouter/google/gemini-2.0-flash-exp:free.

Aider v0.80.2

  • Bumped deps.

Aider v0.80.1

  • Updated deps for yanked fsspec and aiohttp packages #3699
  • Removed redundant dependency check during OpenRouter OAuth flow, by Claudia Pellegrino.

Aider v0.80.0

  • OpenRouter OAuth integration:
    • Offer to OAuth against OpenRouter if no model and keys are provided.
    • Select OpenRouter default model based on free/paid tier status if OPENROUTER_API_KEY is set and no model is specified.
  • Prioritize gemini/gemini-2.5-pro-exp-03-25 if GEMINI_API_KEY is set, and vertex_ai/gemini-2.5-pro-exp-03-25 if VERTEXAI_PROJECT is set, when no model is specified.
  • Validate user-configured color settings on startup and warn/disable invalid ones.
  • Warn at startup if --stream and --cache-prompts are used together, as cost estimates may be inaccurate.
  • Boost repomap ranking for files whose path components match identifiers mentioned in the chat.
  • Change web scraping timeout from an error to a warning, allowing scraping to continue with potentially incomplete content.
  • Left-align markdown headings in the terminal output, by Peter Schilling.
  • Update edit format to the new model’s default when switching models with /model, if the user was using the old model’s default format.
  • Add Ctrl-X Ctrl-E keybinding to edit the current input buffer in an external editor, by Matteo Landi.
  • Fix linting errors for filepaths containing shell metacharacters, by Mir Adnan ALI.
  • Add the openrouter/deepseek-chat-v3-0324:free model.
  • Add repomap support for the Scala language, by Vasil Markoukin.
  • Fixed bug in /run that was preventing auto-testing.
  • Fix bug preventing UnboundLocalError during git tree traversal.
  • Handle GitCommandNotFound error if git is not installed or not in PATH.
  • Handle FileNotFoundError if the current working directory is deleted while aider is running.
  • Fix completion menu current item color styling, by Andrey Ivanov.
  • Aider wrote 87% of the code in this release.

Aider v0.79.2

  • Added ‘gemini’ alias for gemini-2.5-pro model.
  • Updated Gemini 2.5 Pro max output tokens to 64k.
  • Added support for Lisp-style semicolon comments in file watcher, by Matteo Landi.
  • Added OpenRouter API error detection and retries.
  • Added openrouter/deepseek-chat-v3-0324 model.
  • Aider wrote 93% of the code in this release.

Aider v0.79.1

  • Improved model listing to include all models in fuzzy matching, including those provided by aider (not litellm).

Aider v0.79.0

  • Added support for Gemini 2.5 Pro models.
  • Added support for DeepSeek V3 0324 model.
  • Added a new /context command that automatically identifies which files need to be edited for a given request.
  • Added /edit as an alias for the /editor command.
  • Added “overeager” mode for Claude 3.7 Sonnet models to try and keep it working within the requested scope.
  • Aider wrote 65% of the code in this release.

Aider v0.78.0

  • Added support for thinking tokens for OpenRouter Sonnet 3.7.
  • Added commands to switch between model types: /editor-model for Editor Model, and /weak-model for Weak Model, by csala.
  • Added model setting validation to ignore --reasoning-effort and --thinking-tokens if the model doesn’t support them.
  • Added --check-model-accepts-settings flag (default: true) to force unsupported model settings.
  • Annotated which models support reasoning_effort and thinking_tokens settings in the model settings data.
  • Improved code block rendering in markdown output with better padding using NoInsetMarkdown.
  • Added --git-commit-verify flag (default: False) to control whether git commit hooks are bypassed.
  • Fixed autocompletion for /ask, /code, and /architect commands, by shladnik.
  • Added vi-like behavior when pressing enter in multiline-mode while in vi normal/navigation-mode, by Marco Mayer.
  • Added AWS_PROFILE support for Bedrock models, allowing use of AWS profiles instead of explicit credentials, by lentil32.
  • Enhanced --aiderignore argument to resolve both absolute and relative paths, by mopemope.
  • Improved platform information handling to gracefully handle retrieval errors.
  • Aider wrote 92% of the code in this release.

Aider v0.77.1

  • Bumped dependencies to pickup litellm fix for Ollama.
  • Added support for openrouter/google/gemma-3-27b-it model.
  • Updated exclude patterns for help documentation.

Aider v0.77.0

  • Big upgrade in programming languages supported by adopting tree-sitter-language-pack.

  • 130 new languages with linter support.

    • 20 new languages with repo-map support.

  • Added /think-tokens command to set thinking token budget with support for human-readable formats (8k, 10.5k, 0.5M).

  • Added /reasoning-effort command to control model reasoning level.

  • The /think-tokens and /reasoning-effort commands display current settings when called without arguments.

  • Display of thinking token budget and reasoning effort in model information.

  • Changed --thinking-tokens argument to accept string values with human-readable formats.

  • Added --auto-accept-architect flag (default: true) to automatically accept changes from architect coder format without confirmation.

  • Added support for cohere_chat/command-a-03-2025 and gemini/gemma-3-27b-it

  • The bare /drop command now preserves original read-only files provided via args.read.

  • Fixed a bug where default model would be set by deprecated --shortcut switches even when already specified in the command line.

  • Improved AutoCompleter to require 3 characters for autocompletion to reduce noise.

  • Aider wrote 72% of the code in this release.

Aider v0.76.2

  • Fixed handling of JSONDecodeError when loading model cache file.
  • Fixed handling of GitCommandError when retrieving git user configuration.
  • Aider wrote 75% of the code in this release.

Aider v0.76.1

  • Added ignore_permission_denied option to file watcher to prevent errors when accessing restricted files, by Yutaka Matsubara.
  • Aider wrote 0% of the code in this release.

Aider v0.76.0

  • Improved support for thinking/reasoningmodels:
    • Added --thinking-tokens CLI option to control token budget for models that support thinking.
    • Display thinking/reasoning content from LLMs which return it.
    • Enhanced handling of reasoning tags to better clean up model responses.
    • Added deprecation warning for remove_reasoning setting, now replaced by reasoning_tag.
  • Aider will notify you when it’s completed the last request and needs your input:
  • Added support for QWQ 32B.
  • Switch to tree-sitter-language-pack for tree sitter support.
  • Improved error handling for EOF (Ctrl+D) in user input prompts.
  • Added helper function to ensure hex color values have a # prefix.
  • Fixed handling of Git errors when reading staged files.
  • Improved SSL verification control for model information requests.
  • Improved empty LLM response handling with clearer warning messages.
  • Fixed Git identity retrieval to respect global configuration, by Akira Komamura.
  • Offer to install dependencies for Bedrock and Vertex AI models.
  • Deprecated model shortcut args (like –4o, –opus) in favor of the –model flag.
  • Aider wrote 85% of the code in this release.

Aider v0.75.3

  • Support for V3 free on OpenRouter: --model openrouter/deepseek/deepseek-chat:free.

Aider v0.75.2

  • Added support for Claude 3.7 Sonnet models on OpenRouter, Bedrock and Vertex AI.
  • Updated default model to Claude 3.7 Sonnet on OpenRouter.
  • Added support for GPT-4.5-preview model.
  • Added support for Claude 3.7 Sonnet:beta on OpenRouter.
  • Fixed weak_model_name patterns to match main model name patterns for some models.

Aider v0.75.1

  • Added support for openrouter/anthropic/claude-3.7-sonnet

Aider v0.75.0

  • Basic support for Claude 3.7 Sonnet
    • Use --model sonnet to use the new 3.7
    • Thinking support coming soon.
  • Bugfix to /editor command.
  • Aider wrote 46% of the code in this release.

Aider v0.74.3

  • Downgrade streamlit dependency to avoid threading bug.
  • Added support for tree-sitter language pack.
  • Added openrouter/o3-mini-high model configuration.
  • Added build.gradle.kts to special files for Kotlin project support, by Lucas Shadler.

Aider v0.74.2

  • Prevent more than one cache warming thread from becoming active.
  • Fixed continuation prompt “. “ for multiline input.
  • Added HCL (Terraform) syntax support, by Warren Krewenki.

Aider v0.74.1

  • Have o1 & o3-mini generate markdown by sending the magic “Formatting re-enabled.” string.
  • Bugfix for multi-line inputs, which should not include the “. “ continuation prompt.

Aider v0.74.0

  • Dynamically changes the Ollama context window to hold the current chat.
  • Better support for o3-mini, DeepSeek V3 & R1, o1-mini, o1 especially via third-party API providers.
  • Remove <think> tags from R1 responses for commit messages (and other weak model uses).
  • Can now specify use_temperature: <float> in model settings, not just true/false.
  • The full docker container now includes boto3 for Bedrock.
  • Docker containers now set HOME=/app which is the normal project mount-point, to persist ~/.aider.
  • Bugfix to prevent creating incorrect filenames like python, php, etc.
  • Bugfix for --timeout
  • Bugfix so that /model now correctly reports that the weak model is not changed.
  • Bugfix so that multi-line mode persists through ^C at confirmation prompts.
  • Watch files now fully ignores top-level directories named in ignore files, to reduce the chance of hitting OS watch limits. Helpful to ignore giant subtrees like node_modules.
  • Fast startup with more providers and when model metadata provided in local files.
  • Improved .gitignore handling:
    • Honor ignores already in effect regardless of how they’ve been configured.
    • Check for .env only when the file exists.
  • Yes/No prompts now accept All/Skip as alias for Y/N even when not processing a group of confirmations.
  • Aider wrote 77% of the code in this release.

Aider v0.73.0

  • Full support for o3-mini: aider --model o3-mini
  • New --reasoning-effort argument: low, medium, high.
  • Improved handling of context window size limits, with better messaging and Ollama-specific guidance.
  • Added support for removing model-specific reasoning tags from responses with remove_reasoning: tagname model setting.
  • Auto-create parent directories when creating new files, by xqyz.
  • Support for R1 free on OpenRouter: --model openrouter/deepseek/deepseek-r1:free
  • Aider wrote 69% of the code in this release.

Aider v0.72.3

  • Enforce user/assistant turn order to avoid R1 errors, by miradnanali.
  • Case-insensitive model name matching while preserving original case.

Aider v0.72.2

  • Harden against user/assistant turn order problems which cause R1 errors.

Aider v0.72.1

  • Fix model metadata for openrouter/deepseek/deepseek-r1

Aider v0.72.0

  • Support for DeepSeek R1.
    • Use shortcut: --model r1
    • Also via OpenRouter: --model openrouter/deepseek/deepseek-r1
  • Added Kotlin syntax support to repo map, by Paul Walker.
  • Added --line-endings for file writing, by Titusz Pan.
  • Added examples_as_sys_msg=True for GPT-4o models, improves benchmark scores.
  • Bumped all dependencies, to pick up litellm support for o1 system messages.
  • Bugfix for turn taking when reflecting lint/test errors.
  • Aider wrote 52% of the code in this release.

Aider v0.71.1

  • Fix permissions issue in Docker images.
  • Added read-only file announcements.
  • Bugfix: ASCII fallback for unicode errors.
  • Bugfix: integer indices for list slicing in repomap calculations.

Aider v0.71.0

  • Prompts to help DeepSeek work better when alternating between /ask and /code.
  • Streaming pretty LLM responses is smoother and faster for long replies.
  • Streaming automatically turns of for model that don’t support it
    • Can now switch to/from /model o1 and a streaming model
  • Pretty output remains enabled even when editing files with triple-backtick fences
  • Bare /ask, /code and /architect commands now switch the chat mode.
  • Increased default size of the repomap.
  • Increased max chat history tokens limit from 4k to 8k.
  • Turn off fancy input and watch files if terminal is dumb.
  • Added support for custom voice format and input device settings.
  • Disabled Streamlit email prompt, by apaz-cli.
  • Docker container runs as non-root user.
  • Fixed lint command handling of nested spaced strings, by Aaron Weisberg.
  • Added token count feedback when adding command output to chat.
  • Improved error handling for large audio files with automatic format conversion.
  • Improved handling of git repo index errors, by Krazer.
  • Improved unicode handling in console output with ASCII fallback.
  • Added AssertionError, AttributeError to git error handling.
  • Aider wrote 60% of the code in this release.

Aider v0.70.0

  • Full support for o1 models.
  • Watch files now honors --subtree-only, and only watches that subtree.
  • Improved prompting for watch files, to work more reliably with more models.
  • New install methods via uv, including one-liners.
  • Support for openrouter/deepseek/deepseek-chat model.
  • Better error handling when interactive commands are attempted via /load or --load.
  • Display read-only files with abs path if its shorter than rel path.
  • Ask 10% of users to opt-in to analytics.
  • Bugfix for auto-suggest.
  • Gracefully handle unicode errors in git path names.
  • Aider wrote 74% of the code in this release.

Aider v0.69.1

  • Fix for gemini model names in model metadata.
  • Show hints about AI! and AI? when user makes AI comments.
  • Support for running without git installed.
  • Improved environment variable setup messages on Windows.

Aider v0.69.0

  • Watch filesimprovements:

  • Use # ... AI? comments to trigger aider and ask questions about your code.

    • Now watches all files, not just certain source files.
    • Use # AI comments, // AI comments, or -- AI comments to give aider instructions in any text file.

  • Full support for Gemini Flash 2.0 Exp:

    • aider --model flash or aider --model gemini/gemini-2.0-flash-exp

  • New --multiline flag and /multiline-mode command makes ENTER a soft newline and META-ENTER send the message, by @miradnanali.

  • /copy-context <instructions> now takes optional “instructions” when copying code context to the clipboard.

  • Improved clipboard error handling with helpful requirements install info.

  • Ask 5% of users if they want to opt-in to analytics.

  • /voice now lets you edit the transcribed text before sending.

  • Disabled auto-complete in Y/N prompts.

  • Aider wrote 68% of the code in this release.

Aider v0.68.0

  • Aider works with LLM web chat UIs.

  • New --copy-paste mode.

    • New /copy-context command.

  • Set API keys and other environment variables for all providers from command line or YAML conf file.

  • New --api-key provider=key setting.

    • New --set-env VAR=value setting.

  • Added bash and zsh support to --watch-files.

  • Better error messages when missing dependencies for Gemini and Bedrock models.

  • Control-D now properly exits the program.

  • Don’t count token costs when API provider returns a hard error.

  • Bugfix so watch files works with files that don’t have tree-sitter support.

  • Bugfix so o1 models can be used as weak model.

  • Updated shell command prompt.

  • Added docstrings for all Coders.

  • Reorganized command line arguments with improved help messages and grouping.

  • Use the exact sys.python for self-upgrades.

  • Added experimental Gemini models.

  • Aider wrote 71% of the code in this release.

Aider v0.67.0

  • Use aider in your IDE or editor.

  • Run aider --watch-files and it will watch for instructions you add to your source files.

    • One-liner # ... or // ... comments that start or end with “AI” are instructions to aider.
    • When aider sees “AI!” it reads and follows all the instructions in AI comments.

  • Support for new Amazon Bedrock Nova models.

  • When /run or /test have non-zero exit codes, pre-fill “Fix that” into the next message prompt.

  • /diff now invokes git diff to use your preferred diff tool.

  • Added Ctrl-Z support for process suspension.

  • Spinner now falls back to ASCII art if fancy symbols throw unicode errors.

  • --read now expands ~ home dirs.

  • Enabled exception capture in analytics.

  • Aider wrote 61% of the code in this release.

Aider v0.66.0

  • PDF support for Sonnet and Gemini models.
  • Added --voice-input-device to select audio input device for voice recording, by @preynal.
  • Added --timeout option to configure API call timeouts.
  • Set cwd to repo root when running shell commands.
  • Added Ctrl-Up/Down keyboard shortcuts for per-message history navigation.
  • Improved error handling for failed .gitignore file operations.
  • Improved error handling for input history file permissions.
  • Improved error handling for analytics file access.
  • Removed spurious warning about disabling pretty in VSCode.
  • Removed broken support for Dart.
  • Bugfix when scraping URLs found in chat messages.
  • Better handling of version import errors.
  • Improved /drop command to support substring matching for non-glob patterns.
  • Aider wrote 82% of the code in this release.

Aider v0.65.1

  • Bugfix to --alias.

Aider v0.65.0

  • Added --alias config to define custom model aliases.
  • Added --[no-]detect-urls flag to disable detecting and offering to scrape URLs found in the chat.
  • Ollama models now default to an 8k context window.
  • Added RepoMap support for Dart language by @malkoG.
  • Ask 2.5% of users if they want to opt-in to analytics.
  • Skip suggesting files that share names with files already in chat.
  • /editor returns and prefill the file content into the prompt, so you can use /editor to compose messages that start with /commands, etc.
  • Enhanced error handling for analytics.
  • Improved handling of UnknownEditFormat exceptions with helpful documentation links.
  • Bumped dependencies to pick up grep-ast 0.4.0 for Dart language support.
  • Aider wrote 81% of the code in this release.

Aider v0.64.1

  • Disable streaming for o1 on OpenRouter.

Aider v0.64.0

  • Added /editor command to open system editor for writing prompts, by @thehunmonkgroup.
  • Full support for gpt-4o-2024-11-20.
  • Stream o1 models by default.
  • /run and suggested shell commands are less mysterious and now confirm that they “Added XX lines of output to the chat.”
  • Ask 1% of users if they want to opt-in to analytics.
  • Added support for optional multiline input tags with matching closing tags.
  • Improved model settings configuration with support for global extra_params for litellm.completion().
  • Architect mode now asks to add files suggested by the LLM.
  • Fixed bug in fuzzy model name matching.
  • Added Timeout exception to handle API provider timeouts.
  • Added --show-release-notes to control release notes display on first run of new version.
  • Save empty dict to cache file on model metadata download failure, to delay retry.
  • Improved error handling and code formatting.
  • Aider wrote 74% of the code in this release.

Aider v0.63.2

  • Fixed bug in fuzzy model name matching when litellm provider info is missing.
  • Modified model metadata file loading to allow override of resource file.
  • Allow recursive loading of dirs using --read.
  • Updated dependency versions to pick up litellm fix for ollama models.
  • Added exponential backoff retry when writing files to handle editor file locks.
  • Updated Qwen 2.5 Coder 32B model configuration.

Aider v0.63.1

  • Fixed bug in git ignored file handling.
  • Improved error handling for git operations.

Aider v0.63.0

  • Support for Qwen 2.5 Coder 32B.
  • /web command just adds the page to the chat, without triggering an LLM response.
  • Improved prompting for the user’s preferred chat language.
  • Improved handling of LiteLLM exceptions.
  • Bugfix for double-counting tokens when reporting cache stats.
  • Bugfix for the LLM creating new files.
  • Other small bug fixes.
  • Aider wrote 55% of the code in this release.

Aider v0.62.0

  • Full support for Claude 3.5 Haiku
  • Easily apply file edits from ChatGPT, Claude or other web apps
    • Chat with ChatGPT or Claude via their web app.
    • Give it your source files and ask for the changes you want.
    • Use the web app’s “copy response” button to copy the entire reply from the LLM.
    • Run aider --apply-clipboard-edits file-to-edit.js.
    • Aider will edit your file with the LLM’s changes.
  • Bugfix for creating new files.
  • Aider wrote 84% of the code in this release.

Aider v0.61.0

  • Load and save aider slash-commands to files:
    • /save <fname> command will make a file of /add and /read-only commands that recreate the current file context in the chat.
    • /load <fname> will replay the commands in the file.
    • You can use /load to run any arbitrary set of slash-commands, not just /add and /read-only.
    • Use --load <fname> to run a list of commands on launch, before the interactive chat begins.
  • Anonymous, opt-in analytics with no personal data sharing.
  • Aider follows litellm’s supports_vision attribute to enable image support for models.
  • Bugfix for when diff mode flexibly handles the model using the wrong filename.
  • Displays filenames in sorted order for /add and /read-only.
  • New --no-fancy-input switch disables prompt toolkit input, now still available with --no-pretty.
  • Override browser config with --no-browser or --no-gui.
  • Offer to open documentation URLs when errors occur.
  • Properly support all o1 models, regardless of provider.
  • Improved layout of filenames above input prompt.
  • Better handle corrupted repomap tags cache.
  • Improved handling of API errors, especially when accessing the weak model.
  • Aider wrote 68% of the code in this release.

Aider v0.60.1

  • Enable image support for Sonnet 10/22.
  • Display filenames in sorted order.

Aider v0.60.0

  • Full support for Sonnet 10/22, the new SOTA model on aider’s code editing benchmark.
    • Aider uses Sonnet 10/22 by default.
  • Improved formatting of added and read-only files above chat prompt, by @jbellis.
  • Improved support for o1 models by more flexibly parsing their nonconforming code edit replies.
  • Corrected diff edit format prompt that only the first match is replaced.
  • Stronger whole edit format prompt asking for clean file names.
  • Now offers to add .env to the .gitignore file.
  • Ships with a small model metadata json file to handle models not yet updated in litellm.
  • Model settings for o1 models on azure.
  • Bugfix to properly include URLs in /help RAG results.
  • Aider wrote 49% of the code in this release.

Aider v0.59.1

  • Check for obsolete yes: true in YAML config, show helpful error.
  • Model settings for openrouter/anthropic/claude-3.5-sonnet:beta

Aider v0.59.0

  • Improvements to /read-only:

  • Now supports shell-style auto-complete of the full file system.

    • Still auto-completes the full paths of the repo files like /add.
    • Now supports globs like src/**/*.py

  • Renamed --yes to --yes-always.

  • Now uses AIDER_YES_ALWAYS env var and yes-always: YAML key.

    • Existing YAML and .env files will need to be updated.
    • Can still abbreviate to --yes on the command line.

  • Config file now uses standard YAML list syntax with ` - list entries`, one per line.

  • /settings now includes the same announcement lines that would print at launch.

  • Sanity checks the --editor-model on launch now, same as main and weak models.

  • Added --skip-sanity-check-repo switch to speedup launch in large repos.

  • Bugfix so architect mode handles Control-C properly.

  • Repo-map is deterministic now, with improved caching logic.

  • Improved commit message prompt.

  • Aider wrote 77% of the code in this release.

Aider v0.58.1

  • Fixed bug where cache warming pings caused subsequent user messages to trigger a tight loop of LLM requests.

Aider v0.58.0

  • Use a pair of Architect/Editor models for improved coding
    • Use a strong reasoning model like o1-preview as your Architect.
    • Use a cheaper, faster model like gpt-4o as your Editor.
  • New --o1-preview and --o1-mini shortcuts.
  • Support for new Gemini 002 models.
  • Better support for Qwen 2.5 models.
  • Many confirmation questions can be skipped for the rest of the session with “(D)on’t ask again” response.
  • Autocomplete for /read-only supports the entire filesystem.
  • New settings for completion menu colors.
  • New /copy command to copy the last LLM response to the clipboard.
  • Renamed /clipboard to /paste.
  • Will now follow HTTP redirects when scraping urls.
  • New --voice-format switch to send voice audio as wav/mp3/webm, by @mbailey.
  • ModelSettings takes extra_params dict to specify any extras to pass to litellm.completion().
  • Support for cursor shapes when in vim mode.
  • Numerous bug fixes.
  • Aider wrote 53% of the code in this release.

Aider v0.57.1

  • Fixed dependency conflict between aider-chat[help] and [playwright].

Aider v0.57.0

  • Support for OpenAI o1 models:
    • o1-preview now works well with diff edit format.
    • o1-preview with diff now matches SOTA leaderboard result with whole edit format.
    • aider --model o1-mini
    • aider --model o1-preview
  • On Windows, /run correctly uses PowerShell or cmd.exe.
  • Support for new 08-2024 Cohere models, by @jalammar.
  • Can now recursively add directories with /read-only.
  • User input prompts now fall back to simple input() if --no-pretty or a Windows console is not available.
  • Improved sanity check of git repo on startup.
  • Improvements to prompt cache chunking strategy.
  • Removed “No changes made to git tracked files”.
  • Numerous bug fixes for corner case crashes.
  • Updated all dependency versions.
  • Aider wrote 70% of the code in this release.

Aider v0.56.0

  • Enables prompt caching for Sonnet via OpenRouter by @fry69
  • Enables 8k output tokens for Sonnet via VertexAI and DeepSeek V2.5.
  • New /report command to open your browser with a pre-populated GitHub Issue.
  • New --chat-language switch to set the spoken language.
  • Now --[no-]suggest-shell-commands controls both prompting for and offering to execute shell commands.
  • Check key imports on launch, provide helpful error message if dependencies aren’t available.
  • Renamed --models to --list-models by @fry69.
  • Numerous bug fixes for corner case crashes.
  • Aider wrote 56% of the code in this release.

Aider v0.55.0

  • Only print the pip command when self updating on Windows, without running it.
  • Converted many error messages to warning messages.
  • Added --tool-warning-color setting.
  • Blanket catch and handle git errors in any /command.
  • Catch and handle glob errors in /add, errors writing files.
  • Disabled built in linter for typescript.
  • Catch and handle terminals which don’t support pretty output.
  • Catch and handle playwright and pandoc errors.
  • Catch /voice transcription exceptions, show the WAV file so the user can recover it.
  • Aider wrote 53% of the code in this release.

Aider v0.54.12

  • Switched to vX.Y.Z.dev version naming.

Aider v0.54.11

  • Improved printed pip command output on Windows.

Aider v0.54.10

  • Bugfix to test command in platform info.

Aider v0.54.9

  • Include important devops files in the repomap.
  • Print quoted pip install commands to the user.
  • Adopt setuptools_scm to provide dev versions with git hashes.
  • Share active test and lint commands with the LLM.
  • Catch and handle most errors creating new files, reading existing files.
  • Catch and handle most git errors.
  • Added –verbose debug output for shell commands.

Aider v0.54.8

  • Startup QOL improvements:
    • Sanity check the git repo and exit gracefully on problems.
    • Pause for confirmation after model sanity check to allow user to review warnings.
  • Bug fix for shell commands on Windows.
  • Do not fuzzy match filenames when LLM is creating a new file, by @ozapinq
  • Numerous corner case bug fixes submitted via new crash report -> GitHub Issue feature.
  • Crash reports now include python version, OS, etc.

Aider v0.54.7

  • Offer to submit a GitHub issue pre-filled with uncaught exception info.
  • Bugfix for infinite output.

Aider v0.54.6

  • New /settings command to show active settings.
  • Only show cache warming status update if --verbose.

Aider v0.54.5

  • Bugfix for shell commands on Windows.
  • Refuse to make git repo in $HOME, warn user.
  • Don’t ask again in current session about a file the user has said not to add to the chat.
  • Added --update as an alias for --upgrade.

Aider v0.54.4

  • Bugfix to completions for /model command.
  • Bugfix: revert home dir special case.

Aider v0.54.3

  • Dependency watchdog<5 for docker image.

Aider v0.54.2

  • When users launch aider in their home dir, help them find/create a repo in a subdir.
  • Added missing pexpect dependency.

Aider v0.54.0

  • Added model settings for gemini/gemini-1.5-pro-exp-0827 and gemini/gemini-1.5-flash-exp-0827.
  • Shell and /run commands can now be interactive in environments where a pty is available.
  • Optionally share output of suggested shell commands back to the LLM.
  • New --[no-]suggest-shell-commands switch to configure shell commands.
  • Performance improvements for autocomplete in large/mono repos.
  • New --upgrade switch to install latest version of aider from pypi.
  • Bugfix to --show-prompt.
  • Disabled automatic reply to the LLM on /undo for all models.
  • Removed pager from /web output.
  • Aider wrote 64% of the code in this release.

Aider v0.53.0

  • Keep your prompt cache from expiring with --cache-keepalive-pings.

  • Pings the API every 5min to keep the cache warm.

  • You can now bulk accept/reject a series of add url and run shell confirmations.

  • Improved matching of filenames from S/R blocks with files in chat.

  • Stronger prompting for Sonnet to make edits in code chat mode.

  • Stronger prompting for the LLM to specify full file paths.

  • Improved shell command prompting.

  • Weak model now uses extra_headers, to support Anthropic beta features.

  • New --install-main-branch to update to the latest dev version of aider.

  • Improved error messages on attempt to add not-git subdir to chat.

  • Show model metadata info on --verbose.

  • Improved warnings when LLMs env variables aren’t set.

  • Bugfix to windows filenames which contain \_.

  • Aider wrote 59% of the code in this release.

Aider v0.52.1

  • Bugfix for NameError when applying edits.

Aider v0.52.0

  • Aider now offers to run shell commands:

    • Launch a browser to view updated html/css/js.
    • Install new dependencies.
    • Run DB migrations.
    • Run the program to exercise changes.
    • Run new test cases.

  • /read and /drop now expand ~ to the home dir.

  • Show the active chat mode at aider prompt.

  • New /reset command to /drop files and /clear chat history.

  • New --map-multiplier-no-files to control repo map size multiplier when no files are in the chat.

  • Reduced default multiplier to 2.

  • Bugfixes and improvements to auto commit sequencing.

  • Improved formatting of token reports and confirmation dialogs.

  • Default OpenAI model is now gpt-4o-2024-08-06.

  • Bumped dependencies to pickup litellm bugfixes.

  • Aider wrote 68% of the code in this release.

Aider v0.51.0

  • Prompt caching for Anthropic models with --cache-prompts.

  • Caches the system prompt, repo map and /read-only files.

  • Repo map recomputes less often in large/mono repos or when caching enabled.

    • Use --map-refresh <always|files|manual|auto> to configure.

  • Improved cost estimate logic for caching.

  • Improved editing performance on Jupyter Notebook .ipynb files.

  • Show which config YAML file is loaded with --verbose.

  • Bumped dependency versions.

  • Bugfix: properly load .aider.models.metadata.json data.

  • Bugfix: Using --msg /ask ... caused an exception.

  • Bugfix: litellm tokenizer bug for images.

  • Aider wrote 56% of the code in this release.

Aider v0.50.1

  • Bugfix for provider API exceptions.

Aider v0.50.0

  • Infinite output for DeepSeek Coder, Mistral models in addition to Anthropic’s models.
  • New --deepseek switch to use DeepSeek Coder.
  • DeepSeek Coder uses 8k token output.
  • New --chat-mode <mode> switch to launch in ask/help/code modes.
  • New /code <message> command request a code edit while in ask mode.
  • Web scraper is more robust if page never idles.
  • Improved token and cost reporting for infinite output.
  • Improvements and bug fixes for /read only files.
  • Switched from setup.py to pyproject.toml, by @branchvincent.
  • Bug fix to persist files added during /ask.
  • Bug fix for chat history size in /tokens.
  • Aider wrote 66% of the code in this release.

Aider v0.49.1

  • Bugfix to /help.

Aider v0.49.0

  • Add read-only files to the chat context with /read and --read, including from outside the git repo.
  • /diff now shows diffs of all changes resulting from your request, including lint and test fixes.
  • New /clipboard command to paste images or text from the clipboard, replaces /add-clipboard-image.
  • Now shows the markdown scraped when you add a url with /web.
  • When scripting aider messages can now contain in-chat / commands.
  • Aider in docker image now suggests the correct command to update to latest version.
  • Improved retries on API errors (was easy to test during Sonnet outage).
  • Added --mini for gpt-4o-mini.
  • Bugfix to keep session cost accurate when using /ask and /help.
  • Performance improvements for repo map calculation.
  • /tokens now shows the active model.
  • Enhanced commit message attribution options:
    • New --attribute-commit-message-author to prefix commit messages with ‘aider: ‘ if aider authored the changes, replaces --attribute-commit-message.
    • New --attribute-commit-message-committer to prefix all commit messages with ‘aider: ‘.
  • Aider wrote 61% of the code in this release.

Aider v0.48.1

  • Added openai/gpt-4o-2024-08-06.
  • Worked around litellm bug that removes OpenRouter app headers when using extra_headers.
  • Improved progress indication during repo map processing.
  • Corrected instructions for upgrading the docker container to latest aider version.
  • Removed obsolete 16k token limit on commit diffs, use per-model limits.

Aider v0.48.0

  • Performance improvements for large/mono repos.

  • Added --subtree-only to limit aider to current directory subtree.

  • Should help with large/mono repo performance.

  • New /add-clipboard-image to add images to the chat from your clipboard.

  • Use --map-tokens 1024 to use repo map with any model.

  • Support for Sonnet’s 8k output window.

  • Workaround litellm bug for retrying API server errors.

  • Upgraded dependencies, to pick up litellm bug fixes.

  • Aider wrote 44% of the code in this release.

Aider v0.47.1

  • Improvements to conventional commits prompting.

Aider v0.47.0

  • Commit messageimprovements:

  • Added Conventional Commits guidelines to commit message prompt.

    • Added --commit-prompt to customize the commit message prompt.
    • Added strong model as a fallback for commit messages (and chat summaries).

  • Lintingimprovements:

  • Ask before fixing lint errors.

    • Improved performance of --lint on all dirty files in repo.
    • Improved lint flow, now doing code edit auto-commit before linting.
    • Bugfix to properly handle subprocess encodings (also for /run).

  • Improved docker support:

  • Resolved permission issues when using docker run --user xxx.

    • New paulgauthier/aider-full docker image, which includes all extras.

  • Switching to code and ask mode no longer summarizes the chat history.

  • Added graph of aider’s contribution to each release.

  • Generic auto-completions are provided for /commands without a completion override.

  • Fixed broken OCaml tags file.

  • Bugfix in /run add to chat approval logic.

  • Aider wrote 58% of the code in this release.

Aider v0.46.1

  • Downgraded stray numpy dependency back to 1.26.4.

Aider v0.46.0

  • New /ask <question> command to ask about your code, without making any edits.

  • New /chat-mode <mode> command to switch chat modes:

  • ask: Ask questions about your code without making any changes.

    • code: Ask for changes to your code (using the best edit format).
    • help: Get help about using aider (usage, config, troubleshoot).

  • Add file: CONVENTIONS.md to .aider.conf.yml to always load a specific file.

  • Or file: [file1, file2, file3] to always load multiple files.

  • Enhanced token usage and cost reporting. Now works when streaming too.

  • Filename auto-complete for /add and /drop is now case-insensitive.

  • Commit message improvements:

    • Updated commit message prompt to use imperative tense.
    • Fall back to main model if weak model is unable to generate a commit message.

  • Stop aider from asking to add the same url to the chat multiple times.

  • Updates and fixes to --no-verify-ssl:

  • Fixed regression that broke it in v0.42.0.

    • Disables SSL certificate verification when /web scrapes websites.

  • Improved error handling and reporting in /web scraping functionality

  • Fixed syntax error in Elm’s tree-sitter scm file (by @cjoach).

  • Handle UnicodeEncodeError when streaming text to the terminal.

  • Updated dependencies to latest versions.

  • Aider wrote 45% of the code in this release.

Aider v0.45.1

  • Use 4o-mini as the weak model wherever 3.5-turbo was used.

Aider v0.45.0

  • GPT-4o mini scores similar to the original GPT 3.5, using whole edit format.
  • Aider is better at offering to add files to the chat on Windows.
  • Bugfix corner cases for /undo with new files or new repos.
  • Now shows last 4 characters of API keys in --verbose output.
  • Bugfix to precedence of multiple .env files.
  • Bugfix to gracefully handle HTTP errors when installing pandoc.
  • Aider wrote 42% of the code in this release.

Aider v0.44.0

  • Default pip install size reduced by 3-12x.
  • Added 3 package extras, which aider will offer to install when needed:
    • aider-chat[help]
    • aider-chat[browser]
    • aider-chat[playwright]
  • Improved regex for detecting URLs in user chat messages.
  • Bugfix to globbing logic when absolute paths are included in /add.
  • Simplified output of --models.
  • The --check-update switch was renamed to --just-check-updated.
  • The --skip-check-update switch was renamed to --[no-]check-update.
  • Aider wrote 29% of the code in this release (157/547 lines).

Aider v0.43.4

  • Added scipy back to main requirements.txt.

Aider v0.43.3

  • Added build-essentials back to main Dockerfile.

Aider v0.43.2

  • Moved HuggingFace embeddings deps into [hf-embed] extra.
  • Added [dev] extra.

Aider v0.43.1

  • Replace the torch requirement with the CPU only version, because the GPU versions are huge.

Aider v0.43.0

  • Use /help <question> to ask for help about using aider, customizing settings, troubleshooting, using LLMs, etc.
  • Allow multiple use of /undo.
  • All config/env/yml/json files now load from home, git root, cwd and named command line switch.
  • New $HOME/.aider/caches dir for app-wide expendable caches.
  • Default --model-settings-file is now .aider.model.settings.yml.
  • Default --model-metadata-file is now .aider.model.metadata.json.
  • Bugfix affecting launch with --no-git.
  • Aider wrote 9% of the 424 lines edited in this release.

Aider v0.42.0

  • Performance release:
    • 5X faster launch!
    • Faster auto-complete in large git repos (users report ~100X speedup)!

Aider v0.41.0

  • Allow Claude 3.5 Sonnet to stream back >4k tokens!
    • It is the first model capable of writing such large coherent, useful code edits.
    • Do large refactors or generate multiple files of new code in one go.
  • Aider now uses claude-3-5-sonnet-20240620 by default if ANTHROPIC_API_KEY is set in the environment.
  • Enabled image support for 3.5 Sonnet and for GPT-4o & 3.5 Sonnet via OpenRouter (by @yamitzky).
  • Added --attribute-commit-message to prefix aider’s commit messages with “aider:”.
  • Fixed regression in quality of one-line commit messages.
  • Automatically retry on Anthropic overloaded_error.
  • Bumped dependency versions.

Aider v0.40.6

  • Fixed /undo so it works regardless of --attribute settings.

Aider v0.40.5

Aider v0.40.1

  • Improved context awareness of repomap.
  • Restored proper --help functionality.

Aider v0.40.0

  • Improved prompting to discourage Sonnet from wasting tokens emitting unchanging code (#705).
  • Improved error info for token limit errors.
  • Options to suppress adding “(aider)” to the git author and committer names.
  • Use --model-settings-file to customize per-model settings, like use of repo-map (by @caseymcc).
  • Improved invocation of flake8 linter for python code.

Aider v0.39.0

  • Use --sonnet for Claude 3.5 Sonnet, which is the top model on aider’s LLM code editing leaderboard.
  • All AIDER_xxx environment variables can now be set in .env (by @jpshack-at-palomar).
  • Use --llm-history-file to log raw messages sent to the LLM (by @daniel-vainsencher).
  • Commit messages are no longer prefixed with “aider:”. Instead the git author and committer names have “(aider)” added.

Aider v0.38.0

  • Use --vim for vim keybindings in the chat.
  • Add LLM metadata via .aider.models.json file (by @caseymcc).
  • More detailed error messages on token limit errors.
  • Single line commit messages, without the recent chat messages.
  • Ensure --commit --dry-run does nothing.
  • Have playwright wait for idle network to better scrape js sites.
  • Documentation updates, moved into website/ subdir.
  • Moved tests/ into aider/tests/.

Aider v0.37.0

  • Repo map is now optimized based on text of chat history as well as files added to chat.
  • Improved prompts when no files have been added to chat to solicit LLM file suggestions.
  • Aider will notice if you paste a URL into the chat, and offer to scrape it.
  • Performance improvements the repo map, especially in large repos.
  • Aider will not offer to add bare filenames like make or run which may just be words.
  • Properly override GIT_EDITOR env for commits if it is already set.
  • Detect supported audio sample rates for /voice.
  • Other small bug fixes.

Aider v0.36.0

  • Aider can now lint your code and fix any errors.

  • Aider automatically lints and fixes after every LLM edit.

    • You can manually lint-and-fix files with /lint in the chat or --lint on the command line.
    • Aider includes built in basic linters for all supported tree-sitter languages.
    • You can also configure aider to use your preferred linter with --lint-cmd.

  • Aider has additional support for running tests and fixing problems.

    • Configure your testing command with --test-cmd.
    • Run tests with /test or from the command line with --test.
    • Aider will automatically attempt to fix any test failures.

Aider v0.35.0

  • Aider now uses GPT-4o by default.
  • Added --restore-chat-history to restore prior chat history on launch, so you can continue the last conversation.
  • Improved reflection feedback to LLMs using the diff edit format.
  • Improved retries on httpx errors.

Aider v0.34.0

  • Updated prompting to use more natural phrasing about files, the git repo, etc. Removed reliance on read-write/read-only terminology.
  • Refactored prompting to unify some phrasing across edit formats.
  • Enhanced the canned assistant responses used in prompts.
  • Added explicit model settings for openrouter/anthropic/claude-3-opus, gpt-3.5-turbo
  • Added --show-prompts debug switch.
  • Bugfix: catch and retry on all litellm exceptions.

Aider v0.33.0

  • Added native support for Deepseek models using DEEPSEEK_API_KEY and deepseek/deepseek-chat, etc rather than as a generic OpenAI compatible API.

Aider v0.32.0

  • Aider LLM code editing leaderboardsthat rank popular models according to their ability to edit code.

  • Leaderboards include GPT-3.5/4 Turbo, Opus, Sonnet, Gemini 1.5 Pro, Llama 3, Deepseek Coder & Command-R+.

  • Gemini 1.5 Pro now defaults to a new diff-style edit format (diff-fenced), enabling it to work better with larger code bases.

  • Support for Deepseek-V2, via more a flexible config of system messages in the diff edit format.

  • Improved retry handling on errors from model APIs.

  • Benchmark outputs results in YAML, compatible with leaderboard.

Aider v0.31.0

Aider v0.30.1

  • Adding missing google-generativeai dependency

Aider v0.30.0

  • Added Gemini 1.5 Pro as a recommended free model.
  • Allow repo map for “whole” edit format.
  • Added --models <MODEL-NAME> to search the available models.
  • Added --no-show-model-warnings to silence model warnings.

Aider v0.29.2

Aider v0.29.1

  • Added better support for groq/llama3-70b-8192

Aider v0.29.0

  • Added support for directly connecting to Anthropic, Cohere, Gemini and many other LLM providers.
  • Added --weak-model <model-name> which allows you to specify which model to use for commit messages and chat history summarization.
  • New command line switches for working with popular models:
    • --4-turbo-vision
    • --opus
    • --sonnet
    • --anthropic-api-key
  • Improved “whole” and “diff” backends to better support Cohere’s free to use Command-R+ model.
  • Allow /add of images from anywhere in the filesystem.
  • Fixed crash when operating in a repo in a detached HEAD state.
  • Fix: Use the same default model in CLI and python scripting.

Aider v0.28.0

  • Added support for new gpt-4-turbo-2024-04-09 and gpt-4-turbo models.

  • Benchmarked at 61.7% on Exercism benchmark, comparable to gpt-4-0613 and worse than the gpt-4-preview-XXXX models. See recent Exercism benchmark results.

    • Benchmarked at 34.1% on the refactoring/laziness benchmark, significantly worse than the gpt-4-preview-XXXX models. See recent refactor bencmark results.
    • Aider continues to default to gpt-4-1106-preview as it performs best on both benchmarks, and significantly better on the refactoring/laziness benchmark.

Aider v0.27.0

  • Improved repomap support for typescript, by @ryanfreckleton.
  • Bugfix: Only /undo the files which were part of the last commit, don’t stomp other dirty files
  • Bugfix: Show clear error message when OpenAI API key is not set.
  • Bugfix: Catch error for obscure languages without tags.scm file.

Aider v0.26.1

  • Fixed bug affecting parsing of git config in some environments.

Aider v0.26.0

  • Use GPT-4 Turbo by default.
  • Added -3 and -4 switches to use GPT 3.5 or GPT-4 (non-Turbo).
  • Bug fix to avoid reflecting local git errors back to GPT.
  • Improved logic for opening git repo on launch.

Aider v0.25.0

Aider v0.24.1

  • Fixed bug with cost computations when –no-steam in effect

Aider v0.24.0

  • New /web <url> command which scrapes the url, turns it into fairly clean markdown and adds it to the chat.
  • Updated all OpenAI model names, pricing info
  • Default GPT 3.5 model is now gpt-3.5-turbo-0125.
  • Bugfix to the ! alias for /run.

Aider v0.23.0

  • Added support for --model gpt-4-0125-preview and OpenAI’s alias --model gpt-4-turbo-preview. The --4turbo switch remains an alias for --model gpt-4-1106-preview at this time.
  • New /test command that runs a command and adds the output to the chat on non-zero exit status.
  • Improved streaming of markdown to the terminal.
  • Added /quit as alias for /exit.
  • Added --skip-check-update to skip checking for the update on launch.
  • Added --openrouter as a shortcut for --openai-api-base https://openrouter.ai/api/v1
  • Fixed bug preventing use of env vars OPENAI_API_BASE, OPENAI_API_TYPE, OPENAI_API_VERSION, OPENAI_API_DEPLOYMENT_ID.

Aider v0.22.0

  • Improvements for unified diff editing format.
  • Added ! as an alias for /run.
  • Autocomplete for /add and /drop now properly quotes filenames with spaces.
  • The /undo command asks GPT not to just retry reverted edit.

Aider v0.21.1

  • Bugfix for unified diff editing format.
  • Added –4turbo and –4 aliases for –4-turbo.

Aider v0.21.0

  • Support for python 3.12.
  • Improvements to unified diff editing format.
  • New --check-update arg to check if updates are available and exit with status code.

Aider v0.20.0

  • Add images to the chat to automatically use GPT-4 Vision, by @joshuavial

  • Bugfixes:

    • Improved unicode encoding for /run command output, by @ctoth
    • Prevent false auto-commits on Windows, by @ctoth

Aider v0.19.1

  • Removed stray debug output.

Aider v0.19.0

Aider v0.18.1

  • Upgraded to new openai python client v1.3.7.

Aider v0.18.0

  • Improved prompting for both GPT-4 and GPT-4 Turbo.
    • Far fewer edit errors from GPT-4 Turbo (gpt-4-1106-preview).
    • Significantly better benchmark results from the June GPT-4 (gpt-4-0613). Performance leaps from 47%/64% up to 51%/71%.
  • Fixed bug where in-chat files were marked as both read-only and ready-write, sometimes confusing GPT.
  • Fixed bug to properly handle repos with submodules.

Aider v0.17.0

  • Support for OpenAI’s new 11/06 models:
    • gpt-4-1106-preview with 128k context window
    • gpt-3.5-turbo-1106 with 16k context window
  • Benchmarks for OpenAI’s new 11/06 models
  • Streamlined API for scripting aider, added docs
  • Ask for more concise SEARCH/REPLACE blocks. Benchmarked at 63.9%, no regression.
  • Improved repo-map support for elisp.
  • Fixed crash bug when /add used on file matching .gitignore
  • Fixed misc bugs to catch and handle unicode decoding errors.

Aider v0.16.3

  • Fixed repo-map support for C#.

Aider v0.16.2

  • Fixed docker image.

Aider v0.16.1

  • Updated tree-sitter dependencies to streamline the pip install process

Aider v0.16.0

  • Improved repository map using tree-sitter
  • Switched from “edit block” to “search/replace block”, which reduced malformed edit blocks. Benchmarked at 66.2%, no regression.
  • Improved handling of malformed edit blocks targeting multiple edits to the same file. Benchmarked at 65.4%, no regression.
  • Bugfix to properly handle malformed /add wildcards.

Aider v0.15.0

  • Added support for .aiderignore file, which instructs aider to ignore parts of the git repo.
  • New --commit cmd line arg, which just commits all pending changes with a sensible commit message generated by gpt-3.5.
  • Added universal ctags and multiple architectures to the aider docker image
  • /run and /git now accept full shell commands, like: /run (cd subdir; ls)
  • Restored missing --encoding cmd line switch.

Aider v0.14.2

Aider v0.14.1

  • /add and /drop handle absolute filenames and quoted filenames
  • /add checks to be sure files are within the git repo (or root)
  • If needed, warn users that in-chat file paths are all relative to the git repo
  • Fixed /add bug in when aider launched in repo subdir
  • Show models supported by api/key if requested model isn’t available

Aider v0.14.0

Aider v0.13.0

  • Only git commit dirty files that GPT tries to edit
  • Send chat history as prompt/context for Whisper voice transcription
  • Added --voice-language switch to constrain /voice to transcribe to a specific language
  • Late-bind importing sounddevice, as it was slowing down aider startup
  • Improved –foo/–no-foo switch handling for command line and yml config settings

Aider v0.12.0

  • Voice-to-code support, which allows you to code with your voice.
  • Fixed bug where /diff was causing crash.
  • Improved prompting for gpt-4, refactor of editblock coder.
  • Benchmarked at 63.2% for gpt-4/diff, no regression.

Aider v0.11.1

  • Added a progress bar when initially creating a repo map.
  • Fixed bad commit message when adding new file to empty repo.
  • Fixed corner case of pending chat history summarization when dirty committing.
  • Fixed corner case of undefined text when using --no-pretty.
  • Fixed /commit bug from repo refactor, added test coverage.
  • Benchmarked at 53.4% for gpt-3.5/whole (no regression).

Aider v0.11.0

  • Automatically summarize chat history to avoid exhausting context window.
  • More detail on dollar costs when running with --no-stream
  • Stronger GPT-3.5 prompt against skipping/eliding code in replies (51.9% benchmark, no regression)
  • Defend against GPT-3.5 or non-OpenAI models suggesting filenames surrounded by asterisks.
  • Refactored GitRepo code out of the Coder class.

Aider v0.10.1

  • /add and /drop always use paths relative to the git root
  • Encourage GPT to use language like “add files to the chat” to ask users for permission to edit them.

Aider v0.10.0

  • Added /git command to run git from inside aider chats.
  • Use Meta-ENTER (Esc+ENTER in some environments) to enter multiline chat messages.
  • Create a .gitignore with .aider* to prevent users from accidentally adding aider files to git.
  • Check pypi for newer versions and notify user.
  • Updated keyboard interrupt logic so that 2 ^C in 2 seconds always forces aider to exit.
  • Provide GPT with detailed error if it makes a bad edit block, ask for a retry.
  • Force --no-pretty if aider detects it is running inside a VSCode terminal.
  • Benchmarked at 64.7% for gpt-4/diff (no regression)

Aider v0.9.0

  • Support for the OpenAI models in Azure
  • Added --show-repo-map
  • Improved output when retrying connections to the OpenAI API
  • Redacted api key from --verbose output
  • Bugfix: recognize and add files in subdirectories mentioned by user or GPT
  • Benchmarked at 53.8% for gpt-3.5-turbo/whole (no regression)

Aider v0.8.3

  • Added --dark-mode and --light-mode to select colors optimized for terminal background
  • Install docs link to NeoVim plugin by @joshuavial
  • Reorganized the --help output
  • Bugfix/improvement to whole edit format, may improve coding editing for GPT-3.5
  • Bugfix and tests around git filenames with unicode characters
  • Bugfix so that aider throws an exception when OpenAI returns InvalidRequest
  • Bugfix/improvement to /add and /drop to recurse selected directories
  • Bugfix for live diff output when using “whole” edit format

Aider v0.8.2

  • Disabled general availability of gpt-4 (it’s rolling out, not 100% available yet)

Aider v0.8.1

  • Ask to create a git repo if none found, to better track GPT’s code changes
  • Glob wildcards are now supported in /add and /drop commands
  • Pass --encoding into ctags, require it to return utf-8
  • More robust handling of filepaths, to avoid 8.3 windows filenames
  • Added FAQ
  • Marked GPT-4 as generally available
  • Bugfix for live diffs of whole coder with missing filenames
  • Bugfix for chats with multiple files
  • Bugfix in editblock coder prompt

Aider v0.8.0

  • Benchmark comparing code editing in GPT-3.5 and GPT-4
  • Improved Windows support:
    • Fixed bugs related to path separators in Windows
    • Added a CI step to run all tests on Windows
  • Improved handling of Unicode encoding/decoding
    • Explicitly read/write text files with utf-8 encoding by default (mainly benefits Windows)
    • Added --encoding switch to specify another encoding
    • Gracefully handle decoding errors
  • Added --code-theme switch to control the pygments styling of code blocks (by @kwmiebach)
  • Better status messages explaining the reason when ctags is disabled

Aider v0.7.2:

  • Fixed a bug to allow aider to edit files that contain triple backtick fences.

Aider v0.7.1:

  • Fixed a bug in the display of streaming diffs in GPT-3.5 chats

Aider v0.7.0:

  • Graceful handling of context window exhaustion, including helpful tips.

  • Added --message to give GPT that one instruction and then exit after it replies and any edits are performed.

  • Added --no-stream to disable streaming GPT responses.

  • Non-streaming responses include token usage info.

    • Enables display of cost info based on OpenAI advertised pricing.

  • Coding competence benchmarking tool against suite of programming tasks based on Execism’s python repo.

  • Major refactor in preparation for supporting new function calls api.

  • Initial implementation of a function based code editing backend for 3.5.

    • Initial experiments show that using functions makes 3.5 less competent at coding.

  • Limit automatic retries when GPT returns a malformed edit response.

Aider v0.6.2

  • Support for gpt-3.5-turbo-16k, and all OpenAI chat models
  • Improved ability to correct when gpt-4 omits leading whitespace in code edits
  • Added --openai-api-base to support API proxies, etc.

Aider v0.5.0

  • Added support for gpt-3.5-turbo and gpt-4-32k.
  • Added --map-tokens to set a token budget for the repo map, along with a PageRank based algorithm for prioritizing which files and identifiers to include in the map.
  • Added in-chat command /tokens to report on context window token usage.
  • Added in-chat command /clear to clear the conversation history.