o1
by OpenAI · ID o1 · Released 2024-12 · Proprietary
1402
ELO Score
90.8
MMLU
88.1
HumanEval
200K
Context Window
$15.00
Input Price
About o1
OpenAI's first reasoning model that uses chain-of-thought to solve complex math, science, and coding problems. Arena text score 1402 (o1-2024-12-17, 27,807 votes), leaderboard of 13 September 2026.
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