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OpenAI o3

Introducing OpenAI o3 and o4-mini

OpenAI's reasoning model release, designed to reason with text and images and use tools in ChatGPT and the API.

Pricing

Model profile · Current snapshot
Input / 1M
$2.00
Output / 1M
$8.00
Blended / 1M
$3.50
Output TPS
151
TTFT (s)
4.73

Model Intelligence

Context window
200,000 tokens
Arena ranking
20
Benchmarkable
Yes
Model level
release
Intelligence Index
20.2
Math Index
88.3
MMLU Pro
0.85
GPQA
0.83
HLE
0.2
LiveCodeBench
0.81
MATH-500
0.99
AIME
0.9
AIME 2025
0.88
IFBench
0.71
LCR
0.75
TerminalBench Hard
0.37
TAU2
0.81

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