The unusual behavior of Grok 4, the AI model that Musk's company xAI released late Wednesday, has surprised some experts.

Elon Musk's xAI said Grok's behavior was due to an update that caused it to prioritize engagement, even if posts contained "controversial opinions." ...

JUST days after the tech company xAI announced programming and process improvements to its AI chatbot Grok, the chatbot began spewing problematic content, including antisemitic comments and vulgar ...