Opus 5.5 tops AA Intelligence Index with 58 points — Alex Getman

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Alex Getman @alexgetmancom · 22 Sep 2026, 17:41 UTC · Updated 31 Oct 2026, 20:59 UTC

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Opus 5.5 scores 58 points and takes the top spot in the AA Intelligence Index

Screenshot of the Artificial Analysis Intelligence Index chart showing Claude Opus 5.5 (max with fallback) leading with 58 points, ahead of other models like Claude Fable 5.1 and GPT-6 Astra.

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