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 consistently better answers.
Input
Output
Context
200K
Max Output
100K
Parameters
—
Input Modalities
Output Modalities
Features
| Platform | Input | Output |
|---|---|---|
OpenRouter | $150.00 | $600.00 |
Data sourced from official provider APIs and documentation
Last updated: Mar 16, 2026
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