← Artificial Acceleration
OpenAI · GPT series
o4-mini
Released
16 Apr 2025
· 0 days after
o3
Intelligence
—
no index score yet
Price
$1.93
per 1M tokens, 3:1 in/out · $1.1 in / $4.4 out
Speed
—
not measured
Weights
Closed
US lab
OpenAI’s best score over time
9 Jul 2026
26 Oct 2026
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o3-pro