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.”

Built using huge amounts of computing power at a Tennessee data center, Grok is Musk's attempt to outdo rivals such as OpenAI's ChatGPT and Google's Gemini in building an AI assistant that shows its reasoning before answering a question.

The company told workers to download employee tracking software on their personal computers, prompting privacy concerns from some staff.

AI's latest Grok 4 large language model appears to search for owner Elon Musk's opinions before answering sensitive questions about

At the launch of Grok 4, the xAI presenters prompted the chatbot to predict the World Series. The AI said the Dodgers had a 21.6% chance of winning.

The tech billionaire unveiled its latest version, Grok 4, which he claims is "smarter than almost all graduate students, in all disciplines, simultaneously."

Will Stancil says he is "considering" suing Elon Musk's X after Grok shared a hypothetical plan for breaking into his home and raping him