Aider
aider.chat- Category
- Developer Tools
- Rank
- No. 33Tools index
- Listed in
- #6 Code with an agent
- Pricing
- Open Source
- Type
- TOOL
- Builder
- aider-ai
- GitHub
- 48.5k stars
- Latest release
- v0.86.0
- Date
About
AI pair-programming in your terminal. Edits files, makes commits, works with any LLM.
What it does
Aider turns a code repository into a model-guided working session. It maps the project for context, applies requested changes, and can run linting and tests before recording results in Git.
Why it's ranked here
Aider has a strong practical case because its workflow extends beyond code generation. Repository mapping, automatic commits, test feedback, editor comments, visual references, voice input, and broad model support form a coherent development loop.
What's good
Git provides a clear safety rail: developers can inspect diffs, manage changes, and undo generated work with familiar tools. The repository map supplies wider context, while automatic linting and testing can feed failures back for correction.
Tradeoffs
The browser interface is explicitly experimental and requires a Git repository. Model quality is not uniform, since the documentation names several models that work best. Installation also brings a substantial pinned Python dependency graph, with some capabilities separated into optional extras.
How to use it well
Use Aider when you already work comfortably with Git and want model-assisted changes inside an existing development loop. Keep edit scope focused, inspect commits, and connect your normal tests and linters. It does not replace a polished browser-first coding environment.
Technical notes+
pyproject.toml defines the aider-chat package, requires Python >=3.10,<3.15, uses setuptools.build_meta, and registers aider = aider.main:main as the console entry point. aider/args.py builds a YAML-aware CLI with environment-variable configuration, model selection, repository-map controls, history, streaming, and SSL settings. aider/llm.py exposes LazyLiteLLM, deferring the litellm import until attribute access. aider/main.py handles Git setup, configuration discovery, environment loading, and Streamlit launch. aider/gui.py implements the experimental Streamlit interface and rejects repositories without Git. requirements.txt is an autogenerated, pinned dependency set containing GitPython, LiteLLM, tree-sitter tooling, terminal UI libraries, linting, web, image, and audio packages.
Observed
- License
- Apache Software License, declared through the OSI-approved package classifier.
- Primary language
- Python.
- Python support
- Requires Python >=3.10 and <3.15; classifiers list Python 3.10 through 3.14.
- Packaging
- Published as the aider-chat Python package with a setuptools build backend.
- Interfaces
- Provides an aider command-line entry point and an experimental Streamlit browser interface.
- Optional packaging surfaces
- Defines development, help, browser, and Playwright optional dependency groups.
Read from README.md, pyproject.toml, requirements.txt, aider/io.py, aider/gui.py, aider/llm.py, aider/main.py, aider/args.py, aider/dump.py, aider/help.py, aider/repo.py.
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