Claude Sonnet 5.5 Reportedly Scores 56 on Artificial Analysis Intelligence Index
thesaraharminta · x · 2026-09-29
A widely shared post claims Claude Sonnet 5.5 scored 56 on Artificial Analysis' Intelligence Index — second only to Claude Opus 5.5, above GPT-6 Astra and well ahead of GPT-6 Sol. The figure is unverified pending official benchmarks.
Related event: Multiple leaks claim Claude Sonnet 5.5 decisively outscores GPT-6 sol(5 posts)→
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