Sam Altman's subtle screenshot hints at GPT-5, reigniting speculation as Grok adds humor to growing AI expectations online.

OpenAI CEO Sam Altman has hinted at the arrival of GPT-5, the next iteration of ChatGPT, by sharing a conversation screenshot ...

OpenAI's next AI model, GPT-5, is generating buzz not just for what it might do, but because even CEO Sam Altman admits ...