Anthropic's FlashProve prototype uses cryptography to verify which model wrote an AI response
The Decoder · rss · 2026-11-04
According to The Decoder, Anthropic has released FlashProve, a research prototype that uses cryptography to verify whether an AI response actually came from the claimed model — without exposing its weights. The system addresses model provenance (e.g., confirming a response wasn't swapped for a cheaper model), but still has significant limitations and remains an early-stage prototype rather than a product feature.
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