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o3-mini

Pushing the frontier of cost-effective reasoning.

OpenAI o3-mini is a small reasoning model release for text input and text output, optimized for cost-effective STEM reasoning and available in ChatGPT and the API. The official API docs list a 200,000-token context window, text-only modality, and support for streaming, function calling, Structured Outputs, and Batch API.

Pricing

Model profile · Current snapshot
Input / 1M
$1.10
Output / 1M
$4.40
Blended / 1M
$1.93
Output TPS
0
TTFT (s)
0

Model Intelligence

Context window
200,000 tokens
Arena ranking
19
Benchmarkable
Yes
Model level
release
Intelligence Index
19.2
MMLU Pro
0.79
GPQA
0.75
HLE
0.08
LiveCodeBench
0.72
SciCode
0.4
MATH-500
0.97
AIME
0.77
TerminalBench Hard
0.07
TAU2
0.29

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