OpenAI

o3-mini

Name: o3-mini
Author: OpenAI

Complete specs, pricing, and benchmark data for o3-mini by OpenAI. Last verified 2026-04-20.

JSON Mode

Pricing

Input / 1M tokens

$1.10

Output / 1M tokens

$4.40

Context & Output

Context Window

128K

Max Output

65,536

TTFT

350ms

Speed

25 tok/s

Benchmarks

Arena ELO

1280

Coding ELO

1285

Reasoning ELO

1295

HumanEval

MMLU

MATH

GPQA

Start building with o3-mini

Price History (Input $/M tokens)

Strengths

Limitations

ReasoningMathGeneral Purpose

Your ad here