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

The ‘maximally truth-seeking’ chatbot checks Musk’s stance on topics around Israel and Palestine, abortion, and immigration.

Linda Yaccarino is stepping down as CEO of X after two years leading Elon Musk’s social media company. Yaccarino’s departure comes one day after the company’s Grok chatbot began pushing antisemitic tropes in responses to users.

Elon Musk says Grok AI has been upgraded to focus on "facts over feelings," but its sharp political and cultural replies are drawing criticism.

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'.

Elon Musk says his xAI company’s latest AI model Grok 4 is “better than PhD level in everything.” Describing the latest model as “the smartest AI in the world” at its launch, the billionaire SpaceX and Tesla boss said it had received 100 times more training than the Grok 2 version,