Overview
Aider is an open-source AI pair programmer that edits code in your local git repo from the command line, working with models like GPT and Claude. It makes commits, understands your whole codebase, and is a favorite for terminal-first developers.
Key features
- ✓ Terminal pair programming
- ✓ Git-aware edits
- ✓ Auto commits
- ✓ Codebase mapping
- ✓ Bring your own model
Pros
- + Free and open source
- + Works with any model
- + Great in the terminal
Cons
- – No GUI
- – You pay for model API usage
- – CLI learning curve
Best for
Terminal codingRefactoringScripted edits
Comparisons
Frequently asked questions
- Is Aider free?
- Aider is open source, so you can self-host and use it for free; hosted or premium plans may cost extra.
- What is Aider used for?
- AI pair programming in your terminal. It is commonly used for terminal coding, refactoring, scripted edits.
- Does Aider offer an API?
- No, Aider does not currently offer a public API.
- What are the best Aider alternatives?
- Popular Aider alternatives include Claude, Cursor, Claude Code, GitHub Copilot. You can compare them on HUMAGENTLAB.