Developer Frameworks & Infrastructure
Aider
Terminal-based AI pair programming in your git repository
Open sourceRuns on your device
GitHub stars
50.1K
50,087 stars
Community forks
5.2K
Open collaboration
License
Apache-2.0
Read the full license
Platforms
macOS - Windows - Linux
Also Web
Last activity
May 22
Repository push date
Best for
Terminal-native multi-file code editing
Prompt Aider in your terminal to implement features or fix bugs across multiple repository files simultaneously.
Pricing checked Sep 2026
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About Aider
Aider is an open-source command-line AI pair programmer that integrates directly with git repositories. It allows developers to request code changes, bug fixes, or refactors using natural language from the terminal. Aider automatically analyzes the repository structure, edits files across your project, and commits each logical change with detailed git commit messages.
It supports top-tier models including Claude 3.5 Sonnet, DeepSeek-Coder, and GPT-4o, as well as local open-weights models served via Ollama or vLLM. Because Aider works natively with git, every AI-generated change can be reviewed, diffed, or reverted using standard version control commands.
- Seamless integration with git repository history and standard diff workflows
- Leading performance on code editing benchmarks with Claude 3.5 Sonnet
- Works in any terminal without requiring a specific IDE or GUI editor
- Completely free open-source tool with no subscriptions or telemetry
- Requires comfort working in terminal command-line interfaces
- No graphical inline diff overlay compared to GUI-based IDE forks
- API token consumption can escalate during complex multi-file refactoring runs
pip install aider-chatTerminal-based AI pair programming tool. Installs locally via Python package manager.
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