This is the smartest AI in the world,” Musk said. He did not mention the chatbot’s viral posts praising Hitler and calling itself “MechaHitler.”

Grok 4 aligns its answers with Elon Musk's when it comes to controversial issues, users have discovered shortly after the company launched the new model. Some users posted screenshots on X asking Grok 4 who it supports in the Israel vs.

Linda Yaccarino, the former NBCUniversal executive who agreed to run Elon Musk’s X platform, is stepping down after around two years on the job, announcing her departure from the CEO role after a disastrous day for the platform’s artificial intelligence bot.

Linda Yaccarino said she would step down from her role as CEO of Elon Musk’s X after a two-year tenure marred by controversy, including a new spree of antisemitic comments by X’s AI chatbot Grok. She became the social-media company’s CEO in June 2023.

Elon Musk has ratcheted up his already volatile feud with President Trump over the last several days, announcing the creation of a third party and taunting the president over the Jeffrey Epstein case.