o4 Mini High

OpenAI

o4 Mini High is the same model as o4 Mini with reasoning effort set to high. o4 Mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining strong multimodal and agentic capabilities.

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Capabilities

Thinking

Tool Use

Image Input

PDF Input

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

Superseded by GPT-5.4 Mini with broader multimodal capabilities

Recommended Replacement

GPT-5.4 Mini