← Artificial Acceleration
OpenAI · GPT series

o3

Released 16 Apr 2025 · 2 days after GPT-4.1 nano
Intelligence
—
no index score yet
Price
$3.50
per 1M tokens, 3:1 in/out · $2 in / $8 out
Speed
122
output tokens/s, median
Weights
Closed
US lab

OpenAI’s best score over time

9 Jul 202626 Oct 2026
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