Aider

Open-source AI pair programmer in your terminal that edits files and commits to git

#16 in Coding & App BuildingfreeLast verified: 16 Oct 2026

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Why it’s ranked here

Free and open source (Apache-2.0). Works with almost any LLM, including local ones, maps your whole codebase and commits each change to git so it's easy to undo.

Editorial verdict: Open-source terminal pair programmer that commits to git. How we rank →

Main limitation

You bring and pay for your own model API, and there's no GUI. The GitHub repo had its last push on 22 May 2026, so check the release cadence before you rely on it.

Pricing

Pricing modelfree
Starting priceNot yet verified
Free tierFree, open source: you pay only your LLM provider

Notes: No Aider subscription. Model costs depend on your provider.

Prices as shown on the vendor’s pricing page on 16 Oct 2026, USD unless stated. Vendors change prices; check before you buy.

Best for

Terminal users who want a free, model-agnostic pair programmer with clean git history

Avoid if

You want a polished IDE, a hosted service, or one bundled subscription

Platforms & integrations

Platforms

Terminal (CLI)Works alongside any editor

Integrations

GitOpenAI, Anthropic, DeepSeek and most LLM APIsLocal models

Model / provider: Bring your own (Claude, DeepSeek, OpenAI, local models and more)

Evidence & sources

Every fact on this page comes from the sources above. Anything we could not confirm says “Not yet verified”.

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