←Back to NewsAI News/BenchmarksnewsBenchmarksReasoningOpenAI's GPT-6.1 Sol Cuts Benchmark Costs 76% but Runs 3x SlowerOpenAI's new GPT-6.1 Sol climbs to #7 on the Vals Index, uses far fewer tokens, but runs 2-3x slower and refuses cyber tasks.SourceVals AIPublishedSep 30, 2026, 4:27 AMAuthorAlphaSignal NewsroomRead1 min readOpenAI's new GPT-6.1 Sol climbs to #7 on the Vals Index, uses far fewer tokens, but runs 2-3x slower and refuses cyber tasks.Reporting is indexed from AlphaSignal. Rights remain with the original publisher and cited sources.Read original report ↗Next readsVals AI · newsVals AI's Ten Claude Agents Formally Prove a Century-Old Math ProblemVals AI · newsVals AI's MysteryMechanism Benchmark Shows GPT-6 Astra Tops Science Test at 53%Vals AI · newsVals AI Finds Claude Opus 5.5 Beats GPT-6 Astra on Math Proofs
