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What is FlashProve? Anthropic’s open-source tool to prove which AI model generated a response

This story is from 2026-11-03. It is preserved in the archive; the latest stories are on the live feed.

Anthropic has announced FlashProve, an open-source system for ‘provable inference’ that works like a cryptographic email signature for AI outputs. It aims to let users verify that a response came from the model a company claims to have, without exposing the model’s weights.

Read the full story at Mint AI ↗

Timeline · 4 reports

  1. 2026-11-04 06:25 · Mint AI
    What is FlashProve? Anthropic’s open-source tool to prove which AI model generated a response
  2. 2026-11-04 03:38 · DEV Community — AI
    Anthropic FlashProve proves which model answered with a zkSNARK proof
  3. 2026-11-03 23:01 · DEV Community — AI
    Anthropic's FlashProve Proves Which Model Answered You, at 70-95x vLLM's GPU Time
  4. 2026-11-03 19:54 · AlphaSignal
    Anthropic's FlashProve Cryptographically Proves Which AI Model Answered You

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