O1 PRO
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
—
Technical Specifications
Model TypeChat
Context Window200K
Max Output Tokens100K
Parameters—
Training Cutoff—
Licenseproprietary
Capabilities
Input Modalities
textimagefile
Output Modalities
text
Features
chain_of_thoughtextended_thinkingfunction_callingjson_modereasoningstreamingtext_generationvision
Benchmarks
25.8
Intelligence
Resources & Links
proprietary — Proprietary - API access only
Related Tools
Data sourced from official provider APIs and documentation
Last updated: May 5, 2026
Start building with the right model.
From model selection to production, one platform, no fragmentation.