The takeaway, at least from a technical standpoint, is that Grok 4 is now firmly in frontier-model territory. That’s a meaningful shift for xAI, which just months ago was primarily known for its ...

Grok 4 was trained on Colossus, a supercomputer that xAI launched in Memphis last year. The system featured 100,000 graphics ...

Former X CEO Linda Yaccarino's resignation came hours after her boss Elon Musk's AI chatbot, Grok, targeted her in a graphic sexual screed for all to see.

Ex-X CEO Linda Yaccarino has lost the blue checkmark next to her account name. Yaccarino did not give a reason for leaving ...

Linda Yaccarino was supposed to help Elon Musk's X smooth over its tattered relationships with advertisers, but instead she's ...