Tinfoil · Jul 2026
Tinfoil launched cached prompt pricing for the Inference API and explained how client-side cache secrets prevent even Tinfoil from probing customer cache namespaces.
Tinfoil makes your AI workflows secure, verifiable, and private.
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Overview
Tinfoil is a San Francisco-based private AI company that builds verifiably private chat, an OpenAI-compatible inference API, and confidential-computing containers that run AI workloads inside secure hardware enclaves so users can verify the operator cannot access their data.
Primary product
Private Inference API
Founded
2024
Headquarters
San Francisco, California, United States
Team size
1-10 employees
Industry
Software Development
Sub-industry
Private AI / confidential computing / AI infrastructure
Offices
San Francisco, California, United States
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