AI model · OpenAI
o3 Pro
Model ID: openai/o3-pro
- Input
- $20 per 1M tokens
- Output
- $80 per 1M tokens
- Context
- 200K tokens at once
- Max output
- 100K tokens per reply
- Released
- 10 Jun 2025 OpenAI
What it can do
- YesReasoning
- YesTool calling
- YesImage input
- NoOpen weights
- NoFree to use
Takes text, file, image; gives text.
How its listing describes it
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently...
Sources
- OpenAI: o3 Pro on OpenRouter — read 2 Oct 2026