Sam Altman: “GPT-5 is the first time that it really feels like talking to an expert in any topic, like a PhD-level expert.” Elon Musk on Grok: “better than PhD

Sam Altman: “GPT-5 is the first time that it really feels like talking to an expert in any topic, like a PhD-level expert.” Elon Musk on Grok: “better than PhD level in everything.”