← Artificial Acceleration
OpenAI · GPT series
GPT-5.5 Pro
Released
23 Apr 2026
· 0 days after
GPT-5.5
Intelligence
—
no index score yet
Price
not priced
no list price
Speed
—
not measured
Weights
Closed
US lab
OpenAI’s best score over time
9 Jul 2026
26 Oct 2026
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