Aider

Open-source pair-programming agent in your terminal.

What it does

Aider is an open-source CLI coding agent that edits your local Git repo with any LLM (Claude, GPT, Gemini, local). It commits each change with a clean diff.

CLI

OSS

Git

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Key features

Open-source CLI pair programmer
Works with Claude, GPT, Gemini, and local models
Per-edit Git commits with clean diffs
Repo map for large codebase context
Voice coding and image input

Pricing

Open Source

Free

Self-host with no license fee.

BYO model

API costs

You pay only your chosen LLM provider.

Prices change — confirm current pricing on aider.chat.

Integrations & access

No public API
No MCP server
Official docs
Open Source pricing

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