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

On Wednesday night, Elon Musk unveiled xAI's latest flagship models Grok 4 and Grok 4 Heavy via livestream, just one day after the company's Grok chatbot began generating outputs that featured blatantly antisemitic tropes in responses to users on X.

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,

Elon Musk has unveiled the latest version of his AI, and says Grok 4 is ‘better than PhD level in everything’. Describing the latest model as the smartest 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,

"Shut up, Dan," Elon Musk responded after Wedbush Securities' Dan Ives called for Tesla's (NASDAQ:TSLA) board of directors to set ground rules for its CEO's political endeavors. "The Tesla board MUST Act and Create Ground Rules For Musk;