o3 Mini

openai

o3 Mini is a cost-efficient language model optimized for STEM reasoning tasks, particularly excelling in science, mathematics, and coding. The model features three adjustable reasoning effort levels and supports key developer capabilities including function calling, structured outputs, and streaming.

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Capabilities

PDF Input

Tool Use

Example Use Cases

STEM reasoning tasks

Science and math problem solving

Function calling with reasoning

Technical Specifications

Context Window

200,000 tokens

Max Output

100,000 tokens

Pricing

Token Costs (per 1M tokens)

Cache Miss Input

$1.10

Non-Reasoning Output

$4.40

Cache Read Input

$0.55

Tool Costs (per 1K calls)

Web Search

$15

Code Execution

$0.19

⚠️ Legacy

Made legacy on

Reason

Untested

Recommended Replacement

Qwen3.5 Plus