Legal
Last updated: February 20, 2026
CoThinker ("we", "us", or "our") is an AI-powered reasoning coach designed to help knowledge workers structure complex thinking and make better decisions. This Privacy Policy explains how we handle information in connection with our services.
CoThinker does not collect, store, or process any personally identifiable information from users. Conversations with CoThinker are processed through OpenAI's infrastructure and are subject to OpenAI's Privacy Policy.
CoThinker uses reasoning frameworks served from its own API to guide conversations. No user data, conversation history, or personal information is stored on CoThinker's servers.
CoThinker operates as a Custom GPT on OpenAI's platform and uses a private API hosted on Railway to serve its reasoning frameworks. Neither service receives personally identifiable user information from CoThinker.
CoThinker does not use cookies or any tracking technologies.
CoThinker is not directed at children under the age of 13. We do not knowingly collect information from children.
We may update this Privacy Policy from time to time. Changes will be reflected on this page with an updated date.
If you have any questions about this Privacy Policy, please contact us at privacy@cothinker.io.