← Artificial Acceleration
OpenAI · GPT series

o3-pro

Released 10 Jun 2025 · 55 days after o4-mini
Intelligence
—
no index score yet
Price
$35.00
per 1M tokens, 3:1 in/out · $20 in / $80 out
Speed
—
not measured
Weights
Closed
US lab

OpenAI’s best score over time

9 Jul 202626 Oct 2026
← previous from OpenAIo4-mini