Aider
An open-source terminal AI pair-programmer that edits your local Git repo directly.
Last updated by editors:
Our review
Aider is an open-source terminal AI pair-programmer that edits your local Git repo directly, with your choice of model, lightweight and efficient — a favorite of command-line users.
You bring your own API key, it's CLI-only, and there's no GUI; but if you love terminal workflows and want open, controllable, budget-friendly pair programming, Aider is simple yet powerful.
Pros
Cons
Key features
Best for
FAQ
What is Aider?
An open-source terminal AI pair-programmer that edits your local Git repo directly.
What are the pros and cons of Aider?
Pros: Open-source & free, Model choice, Git integration, Lightweight. Cons: Needs your own API key, CLI only, No GUI.
How much does Aider cost?
Open source: Free; API: Pay-as-you-go.
Who is Aider for?
Best for Terminal coding, Open-source projects, Cost control.
What are the alternatives to Aider?
Consider Claude Code, Cline, Cursor.
Pricing
- • Bring your own model API
- • Local
- • Per-model billing
- • Any model