o4-mini

OpenAI · Released Apr 24, 2025

$1.1

Input price / MTok

$4.4

Output price / MTok

200K

Context window

163

Tokens / sec

68.1

SWE-bench Verified

81.4

GPQA Diamond

92.7

AIME 2025

81.6

MMMU

Summary

o4-mini is a proprietary language model from OpenAI, released on Apr 24, 2025.

At $1.1 input and $4.4 output per million tokens, it ranks #16 of 40 for input price, placing it mid-range on input cost.

Its context window of 200K tokens ranks #36 of 41 for context depth in this dataset.

It targets reasoning, coding, budget workloads.

Throughput is measured at 163 tokens per second (ranked #7 of 23 for throughput).

Compact reasoning model; retired from ChatGPT Feb 2026 but remains available via API.

Benchmarks

Technical specs

OpenAI

Similar Models

Models with the most shared benchmark coverage and closest scores to o4-mini.

Compare o4-mini side by side

Pre-filled with 5 similar models

Speed source: https://artificialanalysis.ai/models/o4-mini