OpenAI GPT-4.5 is expected to be released as early as next week, while GPT-5 is expected to be released in late May

According to The Verge, Microsoft is preparing for OpenAI's latest model, with GPT-4.5 expected to be released as early as next week and GPT-5 expected to be released in late May. The updated GPT-5 will make significant improvements to the usage of ChatGPT, unifying OpenAI's O-series and GPT series models to reduce confusion for users when choosing models.