Free Download

Yes, Rethink AI is completely free and open-source. Each user gets a $10 free quota — once exhausted, you'll be downgraded to a free model.

macOS (Apple Silicon and Intel) and Windows (64-bit) are supported.

All chat data is stored only on your local device and is never uploaded to any server. Only your question text is sent to the LLM provider when you ask a question. We have signed confidentiality agreements with all partnered LLM providers to ensure your data is protected.

Check out our documentation for a complete guide including quick start, feature overview, and troubleshooting.