Release history

The above stats are based on the git commit history of the aider repo.

Release notes

main branch

• 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.
• 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 53% 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
  • Scored 75% on aider’s code editing leaderboard.
  • Almost as good as Sonnet at much lower cost.
  • Launch with --haiku to use it.
• 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.
  • Aider already supported infinite output from Sonnet.
• 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 message improvements:
  • 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).
• Linting improvements:
  • 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

• Bump versions to pickup latest litellm to fix streaming issue with Gemini
  • https://github.com/BerriAI/litellm/issues/4408

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.
  • GPT-4o tops the aider LLM code editing leaderboard at 72.9%, versus 68.4% for Opus.
  • GPT-4o takes second on aider’s refactoring leaderboard with 62.9%, versus Opus at 72.3%.
• 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 leaderboards that 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 is now also AI pair programming in your browser! Use the --browser switch to launch an experimental browser based version of aider.
• Switch models during the chat with /model <name> and search the list of available models with /models <query>.

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

• Improved model warnings for unknown or unfamiliar models

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

• Issue a warning if user adds too much code to the chat.
  • https://aider.chat/docs/faq.html#how-can-i-add-all-the-files-to-the-chat
• Vocally refuse to add files to the chat that match .aiderignore
  • Prevents bug where subsequent git commit of those files will fail.
• Added --openai-organization-id argument.
• Show the user a FAQ link if edits fail to apply.
• Made past articles part of https://aider.chat/blog/

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

• Significantly reduced “lazy” coding from GPT-4 Turbo due to new unified diff edit format
  • Score improves from 20% to 61% on new “laziness benchmark”.
  • Aider now uses unified diffs by default for gpt-4-1106-preview.
• New --4-turbo command line switch as a shortcut for --model gpt-4-1106-preview.

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

• Easily run aider from a docker image
• Fixed bug with chat history summarization.
• Fixed bug if soundfile package not available.

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

• Support for Claude2 and other LLMs via OpenRouter by @joshuavial
• Documentation for running the aider benchmarking suite
• Aider now requires Python >= 3.9

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.
  • https://github.com/exercism/python
• 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.