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o4-mini

Small-footprint reasoning model

OpenAI's o4-mini is a small-footprint reasoning model release announced on April 16, 2025, optimized for fast, cost-efficient reasoning and documented with a 128k-token context window.

Pricing

Model profile · Current snapshot

Input / 1M

$1.10

Output / 1M

$4.40

Blended / 1M

$1.93

Output TPS

154

TTFT (s)

18.29

Model Intelligence

Context window

128,000 tokens

Arena ranking

Benchmarkable

Yes

Model level

release

Intelligence Index

33.1

Coding 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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