The xAI artificial intelligence startup founded by Elon Musk has released a new chatbot model, Grok 4, a few months after ...

Yaccarino’s departure comes as X integrates more closely with Musk’s AI startup, xAI and its Grok chatbot, which has come ...

The world’s wealthiest person says Grok 4 is ‘smarter than almost all graduate students, in all disciplines, simultaneously’.