AnalysisAI ModelsSeptember 22, 2026

Opus 5.5 and GPT-6 Sol ship same day; benchmark head-to-head

Read original source →reddit.com

A Reddit user compiled a head-to-head benchmark table after Anthropic's Opus 5.5 and OpenAI's GPT-6 Sol launched the same day. Opus wins every benchmark in the table, but on GDPval, the "real office work" eval, Sol scores about 100 Elo lower.

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