Proving a Model's Answer Costs 70-95x the GPU Time of Running It on vLLM

petrusenko_max · x · 2026-11-05

The author argues that generating a proof of which model produced an answer costs roughly 70–95x the GPU time of running that answer on vLLM, so proofs will likely land as an audit layer rather than a serving path. For routers, this means the quiet model-swap trick becomes detectable by audits; the practical takeaway is to put cheap verification at the edge, not proof generation in the hot path.

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