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AI model · OpenAI

o1-pro

Model ID: openai/o1-pro

Input
$150
per 1M tokens
Output
$600
per 1M tokens
Context
200K
tokens at once
Max output
100K
tokens per reply
Released
19 Mar 2025
OpenAI
Read 3 Oct 2026

What it can do

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

Takes text, image, file; gives text.

How its listing describes it

The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o1-pro model uses more compute to think harder and provide...

Sources

  • OpenAI: o1-pro on OpenRouter — read 2 Oct 2026