AnalysisAI ModelsOctober 28, 2026

Artificial Analysis launches Intelligence Index v5 with 60% private test sets

Read original source →artificialanalysis.ai

v5 adds FrontierCode 2.0 and Terminal-Bench-Science and upgrades HLE-Diamond, AA-Omniscience v1.1 and CritPt v2; 60% of the score now comes from private or held-out evaluations. Claude Opus 5.5 (max) leads at 58, ahead of GPT-6 Astra (max, 57) and GPT-6.1 Sol.

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