AI Pair Programming in Your Terminal

Aider lets you pair program with LLMs to start a new project or build on your existing codebase.

aider screencast

## Features

	Cloud and local LLMs - Aider works best with Claude 3.7 Sonnet, DeepSeek R1 & Chat V3, OpenAI o1, o3-mini & GPT-4o, but can connect to almost any LLM, including local models.
	Maps your codebase - Aider makes a map of your entire codebase, which helps it work well in larger projects.
	100+ code languages - Aider works with most popular programming languages: python, javascript, rust, ruby, go, cpp, php, html, css, and dozens more.
	Git integration - Aider automatically commits changes with sensible commit messages. Use familiar git tools to easily diff, manage and undo AI changes.
	Use in your IDE - Use aider from within your favorite IDE or editor. Ask for changes by adding comments to your code and aider will get to work.
	Images & web pages - Add images and web pages to the chat to provide visual context, screenshots, reference docs, etc.
	Voice-to-code - Speak with aider about your code! Request new features, test cases or bug fixes using your voice and let aider implement the changes.
	Linting & testing - Automatically lint and test your code every time aider makes changes. Aider can fix problems detected by your linters and test suites.
	Copy/paste to web chat - Work with any LLM via its web chat interface. Aider streamlines copy/pasting code context and edits back and forth with a browser.

## Getting Started ```bash python -m pip install aider-install aider-install # Change directory into your codebase cd /to/your/project # DeepSeek aider --model deepseek --api-key deepseek= # Claude 3.7 Sonnet aider --model sonnet --api-key anthropic= # o3-mini aider --model o3-mini --api-key openai= ``` See the [installation instructions](https://aider.chat/docs/install.html) and [usage documentation](https://aider.chat/docs/usage.html) for more details. ## More Information ### Documentation - [Installation Guide](https://aider.chat/docs/install.html) - [Usage Guide](https://aider.chat/docs/usage.html) - [Tutorial Videos](https://aider.chat/docs/usage/tutorials.html) - [Connecting to LLMs](https://aider.chat/docs/llms.html) - [Configuration Options](https://aider.chat/docs/config.html) - [Troubleshooting](https://aider.chat/docs/troubleshooting.html) - [FAQ](https://aider.chat/docs/faq.html) ### Community & Resources - [LLM Leaderboards](https://aider.chat/docs/leaderboards/) - [GitHub Repository](https://github.com/Aider-AI/aider) - [Discord Community](https://discord.gg/Tv2uQnR88V) - [Blog](https://aider.chat/blog/) ## Kind Words From Users - *"The best free open source AI coding assistant."* — [IndyDevDan](https://youtu.be/YALpX8oOn78) - *"The best AI coding assistant so far."* — [Matthew Berman](https://www.youtube.com/watch?v=df8afeb1FY8) - *"Aider ... has easily quadrupled my coding productivity."* — [SOLAR_FIELDS](https://news.ycombinator.com/item?id=36212100) - *"It's a cool workflow... Aider's ergonomics are perfect for me."* — [qup](https://news.ycombinator.com/item?id=38185326) - *"It's really like having your senior developer live right in your Git repo - truly amazing!"* — [rappster](https://github.com/Aider-AI/aider/issues/124) - *"What an amazing tool. It's incredible."* — [valyagolev](https://github.com/Aider-AI/aider/issues/6#issue-1722897858) - *"Aider is such an astounding thing!"* — [cgrothaus](https://github.com/Aider-AI/aider/issues/82#issuecomment-1631876700) - *"It was WAY faster than I would be getting off the ground and making the first few working versions."* — [Daniel Feldman](https://twitter.com/d_feldman/status/1662295077387923456) - *"THANK YOU for Aider! It really feels like a glimpse into the future of coding."* — [derwiki](https://news.ycombinator.com/item?id=38205643) - *"It's just amazing. It is freeing me to do things I felt were out my comfort zone before."* — [Dougie](https://discord.com/channels/1131200896827654144/1174002618058678323/1174084556257775656) - *"This project is stellar."* — [funkytaco](https://github.com/Aider-AI/aider/issues/112#issuecomment-1637429008) - *"Amazing project, definitely the best AI coding assistant I've used."* — [joshuavial](https://github.com/Aider-AI/aider/issues/84) - *"I absolutely love using Aider ... It makes software development feel so much lighter as an experience."* — [principalideal0](https://discord.com/channels/1131200896827654144/1133421607499595858/1229689636012691468) - *"I have been recovering from multiple shoulder surgeries ... and have used aider extensively. It has allowed me to continue productivity."* — [codeninja](https://www.reddit.com/r/OpenAI/s/nmNwkHy1zG) - *"I am an aider addict. I'm getting so much more work done, but in less time."* — [dandandan](https://discord.com/channels/1131200896827654144/1131200896827654149/1135913253483069470) - *"After wasting $100 on tokens trying to find something better, I'm back to Aider. It blows everything else out of the water hands down, there's no competition whatsoever."* — [SystemSculpt](https://discord.com/channels/1131200896827654144/1131200896827654149/1178736602797846548) - *"Aider is amazing, coupled with Sonnet 3.5 it's quite mind blowing."* — [Josh Dingus](https://discord.com/channels/1131200896827654144/1133060684540813372/1262374225298198548) - *"Hands down, this is the best AI coding assistant tool so far."* — [IndyDevDan](https://www.youtube.com/watch?v=MPYFPvxfGZs) - *"[Aider] changed my daily coding workflows. It's mind-blowing how a single Python application can change your life."* — [maledorak](https://discord.com/channels/1131200896827654144/1131200896827654149/1258453375620747264) - *"Best agent for actual dev work in existing codebases."* — [Nick Dobos](https://twitter.com/NickADobos/status/1690408967963652097?s=20)