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

Grok 4 has a favorite source on some hot-topic issues, citing Elon Musk's opinions without being instructed to do so.

Grok, Elon Musk’s AI chatbot, has praised Hitler, dabbled in Holocaust denialism and ranted about “white genocide” in South ...

Earlier today, Grok showed me how to tell if someone is a “good scientist,” just from their demographics. For starters, ...

A former professor and the founder of his own AI company, Howard noticed that if he asked Grok about the Israeli-Palestinian ...

Grok’s training, including how the model is told to respond, and the material it aggregates likely played a role in its spew of hate speech.

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." ...