Opus 5.5 tops all three performance metrics on ArtificialAnalysis.ai
Wsz2020 · reddit · 2026-09-23
A Reddit user notes that Opus 5.5 (across xhigh/high/medium tiers) leads on all three performance metrics at ArtificialAnalysis.ai, ahead of GPT-6 Astra and Claude Fable 5.1. The site's charts had a rendering bug obscuring the green quadrant, which the user had Opus 5.5 itself fix.
Related event: Opus 5.5 Sweeps Benchmarks Over GPT-6 Sol, Tops AA Intelligence Index(76 posts)→
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