OpenAI will release its GPT-4.5 and GPT-5 models within "weeks" and "months," CEO Sam Altman said in posts on X Wednesday. Yes, but: Altman's "roadmap update" says that the o3 reasoning model, previewed with fanfare in December,

OpenAI plans to release its latest large language model, ChatGPT-4.5, within the next few weeks, with GPT-5 launching within the next several months. "We will next ship GPT-4.5, the model we called Orion internally,