← Artificial Acceleration
OpenAI · GPT series
GPT-4o (ChatGPT)
Released
15 Feb 2025
· 15 days after
o3-mini
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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o3-mini
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GPT-4.5