Aider is the open-source AI pair programming tool that runs in your terminal, letting you collaborate with LLMs as if they were sitting right next to you. It's the favorite tool of developers who want AI assistance without leaving their command line.
Aider brings AI coding to where developers already work:
Mapping Technology: Aider builds a map of your entire codebase, enabling it to:
Connect to virtually any AI model:
| Command | Action |
|---|---|
aider <file> | Start AI session with specific files |
/add <file> | Add files to current context |
/commit | Auto-generate commit message |
/test | Run tests and fix failures |
/voice | Speak instead of type |
"One of my favorite pieces of software. Blazing trails on new paradigms!" — Chris Wall
"Has allowed me to continue productivity while recovering from surgeries." — Reddit user
python -m pip install aider-install
aider-install
cd /your/project
aider --model sonnet --api-key anthropic=<key>
Perfect for: Terminal-centric developers who want AI pair programming with full Git integration and no IDE dependencies.