Grok 4 arrives with bold claims and fresh controversy
Elon Musk’s artificial intelligence start-up xAI is rolling out Grok 4 just months after releasing its previous iteration, underscoring the frenetic pace of AI development. Flanked by members of the xAI team and clad in a leather jacket, the billionaire demoed the new bot via a video livestream early on Thursday. Available immediately, Grok 4…