Elon Musk has launched xAI’s Grok 4—calling it the “world’s smartest AI” and claiming it can ace Ph.D.-level exams and outpace rivals such as Google’s Gemini and OpenAI’s o3 on tough benchmarks

Grok, the chatbot created by Elon Musk’s xAI, began responding with violent posts this week after the company tweaked its system to allow it to offer users more “politically incorrect” answers.

Grok, Elon Musk’s AI chatbot, has praised Hitler, dabbled in Holocaust denialism and ranted about “white genocide” in South Africa. That’s happening because of Grok’s instructions and training material,

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

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.