Model ComparisonOpenAI

o4-mini

o4-mini by OpenAI. Input: $1.10/M tokens · Output: $4.40/M tokens · 200K context window.

VisionTool usePrompt cachingReasoningFast
Pricing (verified 2026-08-19)
TypePrice / 1M tokensNotes
Input$1.10Per 1M input tokens
Output$4.40Per 1M output tokens
Cache read$0.28Cached prefix read-back
Source: OpenAI official pricing page · Last verified 2026-08-19
Context Window
200K tokens
150K words · 1 pages of text

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Other OpenAI models

GPT-5.4$2.50/MGPT-5 mini$0.25/MGPT-4o$2.50/M

Pricing verified 2026-08-19 from OpenAI official pricing. All prices in USD per 1M tokens. See methodology and price changelog.