OpenAI

o1-mini

Name: o1-mini
Author: OpenAI

Complete specs, pricing, and benchmark data for o1-mini by OpenAI. Last verified 2026-04-20.

JSON ModeFunctionsStreamingCode Exec

Pricing

Input / 1M tokens

$1.10

Output / 1M tokens

$4.40

Context & Output

Context Window

128K

Max Output

65,536

TTFT

150ms

Speed

100 tok/s

Benchmarks

Arena ELO

1270

Coding ELO

1280

Reasoning ELO

1280

HumanEval

MMLU

MATH

136

GPQA

Start building with o1-mini

Price History (Input $/M tokens)

Strengths

Limitations

ReasoningGeneral Purpose

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