o4 Mini

openai

o4 Mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities. It supports tool use and demonstrates competitive reasoning and coding performance, outperforming its predecessor o3 Mini and even approaching o3 in some domains.

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Capabilities

Image Input

PDF Input

Extended Thinking

Tool Use

Example Use Cases

Fast reasoning tasks

Cost-efficient coding and analysis

Multimodal reasoning on a budget

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

$0.275

Tool Costs (per 1K calls)

Web Search

$15

Code Execution

$0.19

⚠️ Legacy

Made legacy on

Reason

Untested

Recommended Replacement

Qwen3.5 Plus