GPT-4o mini

OpenAI's most cost-efficient small model. Cheaper and smarter than GPT-3.5 (the original ChatGPT), but less performant than gpt-4o.

Vision

Pricing

Auto routing · per 1M tokens

Input: $0.15
Output: $0.60
Cache read: $0.075

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Specifications

Context window: 128K
Max output: 16.4K
Avg output (7d): 27 tokens; Longer than 0% of models

Benchmarks

Artificial Analysis

LMArena

Sourced from Artificial Analysis.

Intelligence Index

6.7

Better than 19% of models compared

Coding Index

11.4

Better than 11% of models compared

Agentic work

GDPval-AA v2

Economically valuable tasks (Elo)

-19 Elo

Better than 9% of models compared

Document reasoning

MLCR-AA

Medical long-context reasoning

0.0%

Better than 1% of models compared

Reasoning

HLE

Humanity's Last Exam

4.2%

Better than 16% of models compared

IFBench

Instruction-following benchmark

31.0%

Better than 15% of models compared

Coding

LiveCodeBench

Contamination-free coding benchmark

23.4%

Better than 25% of models compared

Math

AIME 2025

American Invitational Mathematics Examination 2025

14.7%

Better than 19% of models compared

AIME

American Invitational Mathematics Examination

11.7%

Better than 37% of models compared

Math-500

Diverse mathematical problem solving benchmark

78.9%

Better than 44% of models compared

Knowledge

MMLU-Pro

Professional and academic subject knowledge

64.8%

Better than 26% of models compared

Legacy benchmarks

GPQA Diamond (legacy)

Graduate-level scientific reasoning

42.6%

Better than 17% of models compared

GDPval-AA (unversioned / legacy)

Economically valuable tasks