The Grok AI assistant became infamous for its savage and most inappropriate comments. But, after the launch of Grok 4, the company issued an apology, saying that this problematic behaviour has been resolved.

Yaccarino announced her departure on X, saying that she is “immensely grateful” to Elon Musk for taking her on in 2023.

The AI startup behind the controversial Grok chatbot is in early talks to raise billions, with backing from Saudi Arabia’s PIF.

But its tendency to consult with Musk's opinions appears to be a different problem. "It's extraordinary," said Simon Willison, an independent AI researcher who's been testing the