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o4-mini

Fast, cost-efficient reasoning model, succeeded by GPT-5 mini

o4-mini is OpenAI's small o-series reasoning model optimized for fast, effective reasoning with efficient performance in coding and visual tasks. OpenAI's API documentation lists text and image inputs, text output, and a 200,000-token context window.

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
26
Benchmarkable
Yes
Model level
release
Intelligence Index
26.1
Math Index
90.7
MMLU Pro
0.83
GPQA
0.78
HLE
0.17
LiveCodeBench
0.86
SciCode
0.47
MATH-500
0.99
AIME
0.94
AIME 2025
0.91
IFBench
0.69
LCR
0.6
TerminalBench Hard
0.15
TAU2
0.56

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