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

Elon Musk's artificial intelligence startup xAI is rolling out Grok 4 just months after releasing its previous iteration, ...

Elon Musk’s AI chatbot Grok, designed to be ‘unfiltered’, has sparked global backlash over some of its responses.