We are aware of recent posts made by Grok and are actively working to remove the inappropriate posts,” xAI said in a statement, adding that it “has taken action to ban hate speech before Grok posts on X.

Grok 4 is xAI’s most advanced model yet, but early praise is clashing with old scandals and fresh tests of its limits.

Elon Musk on Wednesday unveiled Grok 4, a new version of his X platform's AI chatbot. The update comes a day after the bot posted antisemitic content on the social media network. Musk introduced the new model in a livestream on X late Wednesday, calling Grok 4 "the smartest AI in the world."

Days after Grok praises Hitler, Musk touts the chatbot as smarter than PhDs in 'every subject' and debuts the SuperHeavy Grok subscription.

In a late-night announcement, X owner Elon Musk unveiled the new Grok 4 chatbot. Here's everything you need to know about it.

The xAI founder said the very notion humans actually once managed an economy will seem very quaint in the future, like 'cavemen throwing sticks into a fire'.