Anthropic Releases FlashProve for Cryptographic AI Inference Proofs

Anthropic released FlashProve on November 2, 2026: an open-source research prototype that uses cryptographic proofs to show a language-model response came from committed weights without revealing them. The company reported proof generation at 110 tokens per second for Meta’s Llama 4 Maverick. The work addresses a verification gap in hosted AI. A high-quality answer does not establish which model produced it: a routing service could substitute another system, an evaluator could receive a...