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.
Modalities
Context
200K
Released
Mar 19, 2025
Knowledge Cutoff
Oct 2023
Token volume and request traffic to this model over time.
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.
o1-pro has a 200,000 token context window.
o1-pro accepts text, images and files such as PDFs as input and returns text.
GPT-6 Astra, GPT-6 Astra Pro, GPT-5.6 Luna Pro and 56 more are other text models from OpenAI.
o1-pro was released on March 19, 2025. Its knowledge cutoff is October 31, 2023.