Switching back to GPT-4o is possible for some users—but not all. As OpenAI transitions to GPT-5 as its flagship model, GPT-4o is rapidly becoming legacy software. Whether or not you can access it ...

Sam Altman and his AI start-up OpenAI introduce its latest flagship model, GPT-5, a PhD-level expert in coding, math, writing, health, and visual perception.

If you're wondering what all the hoopla is about, and what makes GPT-5 better, or different, than the company's previous AI models, here's a quick run down of some of the key new features and ...

"GPT-5 gets more value out of less thinking time. In our evaluations, GPT-5 — with thinking — performs better than OpenAI o3 ...