Is Grok 4 more intelligent than a PhD? Elon Musk’s AI venture xAI launches Grok 4, calls it ‘smarter than almost any graduate student’

Elon Musk’s AI venture, xAI, unveiled the latest version of its core artificial intelligence model, Grok 4, during a livestream held Wednesday evening. Though the event kicked off about an hour late, Musk and the xAI team presented a host of new features, including multimodal capabilities, enhanced reasoning speed, a redesigned user interface, and improved voice interaction.