Backfrom Thinking Machines’s own policies · verified 2026-09-02
Thinking Machines: data residency & retention
Headquarters
🇺🇸 United States (US)
Where inference runs
Not disclosed
Privacy notice says only 'We are based in the United States' and that data may be transferred to, stored and processed in the US or other countries; no inference data-center locations are published for the Tinker/free research API.
Region pinning
No
No region selection or residency controls are offered or mentioned in the free research API tier documents.
Prompt retention
Retained · not disclosed
Privacy notice (updated 2026-08-20): prompts and outputs are kept 'for as long as reasonably necessary', including to 'develop, improve, or provide our services' — no fixed window is published.
Trains on API data
Yes, by default
Privacy notice: 'We may use Prompts and Outputs to improve our services, including by training, fine-tuning, or otherwise improving the Company Models.' Applies to the free research API tier; no opt-out is described.
Zero data retention
Not offered
No zero-data-retention option is offered on the free research API tier; the notice explicitly reserves retention and training use.
Compiled from Thinking Machines’s published privacy policy, terms, and documentation on 2026-09-02. “Not disclosed” means Thinking Machines publishes nothing on the point. Policies change without notice, so verify against the sources above before relying on this for compliance decisions.