OpenAI's o-series model release for fast, cost-efficient reasoning.
Pricing
Model profile · Current snapshot
Input / 1M
$1.10
Output / 1M
$4.40
Blended / 1M
$1.93
Output TPS
181
TTFT (s)
21.83
Model Intelligence
Context window
200,000 tokens
Arena ranking
26
Benchmarkable
Yes
Model level
release
Intelligence Index
25.6
Math Index
90.7
MMLU Pro
0.83
GPQA
0.78
HLE
0.18
LiveCodeBench
0.86
SciCode
0.47
MATH-500
0.99
AIME
0.94
AIME 2025
0.91
IFBench
0.69
LCR
0.55
TerminalBench Hard
0.15
TAU2
0.56
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