Last updated: February 20, 2026CoThinker 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.1. Information We CollectCoThinker 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.2. How We Use InformationCoThinker 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.3. Third-Party ServicesCoThinker 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.4. CookiesCoThinker does not use cookies or any tracking technologies.5. Children's PrivacyCoThinker is not directed at children under the age of 13. We do not knowingly collect information from children.6. Changes to This PolicyWe may update this Privacy Policy from time to time. Changes will be reflected on this page with an updated date.7. ContactFor questions about this Privacy Policy, contact us at
[email protected]