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.”

Discover 10 key insights about Grok 4, the groundbreaking AI model from Elon Musk. Features, challenges and future impact.

Less than a month after its debut in Austin, Elon Musk's Tesla robotaxi service is poised to expand its operations around the Texas capital, while adding a controversial new feature to its services. On Wednesday,

Earlier today, Grok showed me how to tell if someone is a “good scientist,” just from their demographics. For starters, according to a formula devised by Elon Musk’s chatbot, they have to be a white, Asian, or Jewish man.

Developer and entrepreneur David Ondrej demonstrates Grok 4, xAI's latest AI mode. It outperforms competitors like OpenAI, Anthropic, Meta, and Google on

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

Grok 4 was released approximately one day after xAI addressed and deleted inappropriate posts by the chatbot on X, which included antisemitic remarks.

The lack of public response from advertisers stands in stark contrast to their response in 2023 following an antisemitic post from Elon Musk.