After Microsoft CEO Satya Nadella announced that OpenAI's GPT-5 is being launched across several Microsoft platforms, Elon Musk tweeted, "OpenAI is going to eat Microsoft alive." Nadella responded, "People have been trying for 50 years and that’s...fun of it...Each day you learn something new...and innovate, partner, and compete...Excited for Grok 4 on Azure and looking forward to Grok 5!"