Elon Musk’s Grok-3 AI beats ChatGPT in first week

Just a few weeks after everyone freaked out about DeepSeek, Elon Musk’s Grok-3 has again shaken up the fast-moving AI race. The new model is ending the week at the top of the Chatbot Arena leaderboard, while the Grok iOS app is at the top of the App Store, just above ChatGPT. Even as Musk appears to be crashing out from his newfound political power, his xAI team has managed to deploy a leading foundational model in record time.

It’s one thing to have the leading model; it’s another to build the biggest user base around it. Musk seems to…