The unusual behavior of Grok 4, the AI model that Musk's company xAI released late Wednesday, has surprised some experts.

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.

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.

Describing the current time as the "intelligence big bang", Musk admitted Grok 4 "may lack common sense" but it might create new technology "as soon as this year."

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