Billionaire and tech CEO Elon Musk has apologized for a response from Grok, the chatbot developed by his artificial intelligence company xAI.

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

The release comes months after the AI startup launched its previous iteration, suggesting an ongoing lightning pace of AI development.

Grok 4 was trained on Colossus, a supercomputer that xAI launched in Memphis last year. The system featured 100,000 graphics cards when it came online in September. According to xAI, that number topped 200,000 in May and will eventually reach 1 million.

Some X users suddenly became the subject of violent ideations by xAI’s flagship chatbot.

Missouri Attorney General Andrew Bailey (R) is demanding information from several major tech firms with artificial intelligence (AI) chatbots, which he alleges are distorting facts and producing

Elon Musk says he's improved his AI chatbot following controversy over antisemitic remarks made by Grok 3 earlier this week. On Wednesday,July 9, Musk announced Grok 4, hailing it as "the smartest AI in the world.