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There's a free plan; paid tiers are quoted.
Aider’s listed plan is Open Source (Free), at $0 per month under the Apache 2.0 licence. You bring your own LLM API keys or connect a local model. There is no Aider subscription tier or published monthly or annual billing. That does not make every coding session free: cloud providers may charge for model usage under their own prices and limits. Aider does not publish seat or usage caps, or an overage schedule, so check provider terms before budgeting for a team.
01Every plan, line by line
| Plan | Billed annually | Billed monthly | Built for |
|---|---|---|---|
| Open Source (Free) | — | $0 | Developers pairing with LLMs |
02What the plan grid doesn't tell you
Cloud model usage
Aider does not bundle a published model allowance. Cloud-model charges depend on the provider and your usage; check that provider’s pricing.
Provider rate limits
Aider publishes no usage cap or overage schedule. Confirm rate limits and any throttling or usage controls with your selected model provider.
Local model infrastructure
Local models avoid cloud API charges, but running them requires your own environment. Aider does not publish infrastructure costs.
03Which plan should you buy?
| If you are… | Get | Why |
|---|---|---|
| Side project developer | Open Source (Free) | Use the free client with a local model or your own cloud-model API key. |
| Startup in production | Open Source (Free) | There is no paid Aider tier; budget for provider usage separately and verify provider limits. |
| Team at scale | Open Source (Free) | The client remains free, but Aider publishes no seat or usage limits; assess provider costs and controls. |
04Is Aider worth the money?
Aider is worth trying when you want an open-source terminal client and already have a suitable model connection. The software costs $0, and Apache 2.0 plus support for local models gives teams room to control their setup. Free Aider does not mean free cloud inference: model providers set their own prices and limits, and Aider publishes no usage caps or overage schedule. For a side project, a local model may keep charges down. For production, estimate usage with the chosen provider and monitor that bill separately.
Aider pricing FAQ
Is Aider free to use?
Aider’s listed Open Source (Free) plan costs $0 per month and is under Apache 2.0. If you use a cloud LLM, its provider may charge separately for API usage. Aider also supports local models.
Does Aider include LLM usage?
No model allowance or bundled API usage is listed. Aider’s pricing information says to bring your own LLM API keys or use local models. Check the provider’s pricing for cloud usage.
Does Aider have usage or seat limits?
Aider does not publish seat or usage limits. The pricing information also lists no Aider overage schedule. Ask the model provider about its own API limits and billing rules.
Does Aider offer a paid plan?
Aider has no published subscription tiers or monthly or annual billing. Its listed plan is Open Source (Free). Model-provider charges, if any, are separate from the Aider software.