The message claims that OpenAI GPT-4.5 is expected to be unveiled as early as next week, and GPT-5 may be released in late May.

On February 21st, Jinshi Data reported that Microsoft is preparing for OpenAI’s latest model, with GPT-4.5 expected to be unveiled as soon as next week, and Microsoft expects GPT-5 to be released by late May. The updated GPT-5 will significantly improve the usage of ChatGPT, unify OpenAI’s o series and GPT series models, and reduce user confusion in selecting models.