AI owner Elon Musk made some big claims about Grok’s capability, saying it was “better than PhD level in every subject.”

According to xAI's data, Grok 4 and Grok 4 Heavy essentially beat all other models, including OpenAI's o3, Google's Gemini 2.5 Pro, and Claude 4 Opus in various common AI benchmarks, though as one Redditor noticed, the competitors have been chosen selectively, likely to make Grok look better.

Elon Musk’s live demo of Grok 4, the latest big-ticket model from his AI startup, began with high-intensity music, claims of a “ludicrous rate of progress,” and a lot of chatter on X about Grok’s scandal-filled week.

Correspondent Ronny Chieng clowned the billionaire after his artificial intelligence chatbot went "full Nazi" on him.

The billionaire rolled out the latest update on Grok after the previous model produced antisemitic rhetoric and graphic fantasies of sexual assault