# Anthropic open-sources FlashProve, a research prototype for proving large model inference

> Original title: Sometimes, all you have to do is ask.

- Source: X search: AI open-source releases
- Published: 2026-11-03T22:34:03.000Z
- Bad Influence: https://badinfluence.news/items/bmux25qjq15adp3j1m4zms1ok
- Original: https://x.com/RoyRinberg/status/2117747160297173069

## Summary

Anthropic is open-sourcing FlashProve, a research prototype that proves a 400B model at over 100 tok/s on one H100 in prefill. The post frames it as a step toward more progress in the field.

## Post

Sometimes, all you have to do is ask.

We are open-sourcing a research prototype which we hope leads to more progress in this field. FlashProve is open source and proves a 400B model at over 100 tok/s on one H100 in prefill.
https://x.com/AnthropicAI/status/2117710942826123294?a=YW8M1x3fQrxkTNhD5eM&s=20

## Quoted post @MauricBaker

> 2. Direct agents to build zkLLM but 100x faster or with floats, and open-source it. Efficient, OS zero-knowledge proofs would be a widely useful tool for verification.

https://x.com/MauricBaker/status/2115109672382251012