o4-mini

o4-mini is OpenAI's latest small o-series model, optimized for fast, effective reasoning with exceptionally efficient performance in coding and visual tasks. It is faster and more affordable than o3.

AIME 2024

93.4%

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AIME 2025

92.7%

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MathVista

84.3%

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MMMU

81.6%

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GPQA

81.4%

i
CharXiv-R

72.0%

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TAU-bench Retail

71.8%

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Aider-Polyglot

68.9%

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SWE-Bench Verified

68.1%

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Aider-Polyglot Edit

58.2%

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BrowseComp

51.5%

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TAU-bench Airline

49.2%

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Multi-Challenge

43.0%

i
Scale MultiChallenge

43.0%

i
Humanity's Last Exam

14.7%

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Pricing, uptime, and speed via OpenRouter — updated Jul 17, 2026, 04:19 AM.

Provider	Status	Input	Output	Limits	Uptime	Speed	Notes
OpenAI	available	$1.10/Mtok cache $0.28/Mtok	$4.40/Mtok	200K tokens context 100K tokens max output	100.0% 5m 100.0%	3,063 ms p50 TTFT 98 tok/s p50	$0.01/web search