What's new

Aider

by Paul Gauthier

AI pair programming in your terminal. Works directly with Git, proposing commits instead of raw code changes. Connects to multiple AI models.

Default Model

Claude Sonnet 4.6

Context Window

200K tokens

Pricing

free

Free and open source; pay for model API usage

Open Source

Apache-2.0

Features

MCP Support No
Multi-file Editing Yes
Git Integration Yes

Details

Platforms macOS, Linux, Windows
Released 2023-06-08
Supported models

Claude, GPT-5, Gemini, DeepSeek, Llama, and 30+ models via API

Quick Install

pip install aider-chat

Notes

One of the earliest AI CLI tools. Git-native workflow — all changes are proposed as commits.