Robby Soave delivers radar on X CEO Linda Yaccarino stepping down following the Grok antisemitic debacle.

Insiders believe the sudden exit of the top executive stems from months of combativeness between the two. 'He put her on notice last year,' a source reportedly said.

Grok is coming to Tesla vehicles very soon. Next week at the latest,” the CEO wrote in response to a Tesla investor.

Elon Musk debuted Grok 4, saying it was capable of reasoning at "superhuman" levels and is "better than PhD level at ...