Open-source AI pair programmer that edits code in your local git repo from the terminal, using your own model API keys.
Open-source AI pair programmer that edits code in your local git repo from the terminal, using your own model API keys.
Aider is free to use.
Aider is one of 40 AI Coding tools tracked on ToolScanner. You can compare it side by side with alternatives, check verified monthly-billing prices, and add it to your AI stack to see what your whole setup costs.
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Self-hosted, open-source AI code completion assistant.
Yes — Aider is free to use.
Yes — Aider is free to use.
No free trial is listed for Aider, but the free plan lets you try it without paying.
Open-source AI pair programmer that edits code in your local git repo from the terminal, using your own model API keys. On ToolScanner, Aider is listed under AI Coding.
Popular AI Coding alternatives include Gemini CLI, Claude Code, Amp, Roo Code, Cline. You can compare any of them with Aider side by side on ToolScanner.
On the official website — providers change prices and plans at any time, so always confirm there before purchasing. ToolScanner shows the monthly-billing price as of our last check (last verified 2026-07-28).