OpenAI · model release
OpenAI o1 and ChatGPT Pro
ChatGPT gets the o1 reasoning model, plus a new $200-a-month Pro plan with extra-strong thinking.
In detail
OpenAI added ChatGPT Pro, a $200 monthly plan with unlimited access to OpenAI o1 and a more compute-intensive o1 pro mode. The same day it published the system card for the o1 model.
Sources
- Introducing ChatGPT Pro · OpenAI · Primary source
- OpenAI o1 System Card · OpenAI · Primary source
Last checked 11 November 2026.