
- OpenAI's GPT-5 models have been leaked in a GitHub blog post
- The company will announce four new models later today
- The livestream begins at 10am ET/ 1pm PT/ 6pm BST
The next generation of ChatGPT, titled GPT-5, is expected to be revealed later today in an OpenAI livestream – but a leak on GitHub appears to have revealed everything the AI pioneers will unveil during the event.