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AI model · OpenAI

o4 Mini

Model ID: openai/o4-mini

Input
$1.10
per 1M tokens
Output
$4.40
per 1M tokens
Context
200K
tokens at once
Max output
100K
tokens per reply
Released
16 Apr 2025
OpenAI
Read 3 Oct 2026

What it can do

  • YesReasoning
  • YesTool calling
  • YesImage input
  • NoOpen weights
  • NoFree to use

Takes image, text, file; gives text.

How its listing describes it

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...

Sources

  • OpenAI: o4 Mini on OpenRouter — read 2 Oct 2026