User finds bug in top-reasoning GPT's theoretical proof, urges manual verification

MvsCerezo · x · 2026-09-29

Developer MvsCerezo reports catching a bug while verifying line by line a theoretical proof produced by GPT (5.6 Atra) at its highest reasoning level. Her takeaway: even with state-of-the-art reasoning models, manual verification of proofs remains essential — "it bleeds, I still matter."

Related event: GPT's Top Reasoning Tier Confidently Makes Basic Math Error in Proof(3 posts)→

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