Categories / Aider
Open-source AI pair programming tool that runs in your terminal and edits code in your git repo. Free under Apache 2.0; you pay only for the LLM API you connect.
Prices may change. These are correct as of 10 Nov 2026. Please confirm on the vendor's own page before you pay.
Verified. Aider is open source under Apache 2.0 with no paid plan. You pay your chosen model provider, and free API options such as OpenRouter free models and Gemini exist with usage limits.
Free plan
Free plan. Aider is free and open source; costs come only from the model API you use.
Plans and prices (USD)
Swipe the table sideways to see what each plan includes.
| Plan | Billed monthly | Yearly, per month | What it includes |
|---|---|---|---|
| Free | $0 | not recorded |
|
"Not recorded" means we did not find that price, not that it is free. Prices exclude tax and can differ by country.
Where it may fit
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Taken from what the vendor says the tool does. We have not tested it.
What to watch
- Model API costs depend on the provider you pick
Sources
- Aider FAQ (checked 10 Nov 2026)
- Aider: connecting to LLMs (checked 10 Nov 2026)