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

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

Elon Musk on Wednesday unveiled Grok 4, a new version of his X platform's AI chatbot. The update comes a day after the bot posted antisemitic content on the social media network. Musk introduced the new model in a livestream on X late Wednesday, calling Grok 4 "the smartest AI in the world."

Grok 4 stands as Elon Musk’s boldest AI release to date. Positioned to compete directly with OpenAI’s GPT-5 and Anthropic’s Claude 4 Opus—both recently praised for their rapid processing, sharp reasoning, and cutting-edge visual capabilities—Grok 4 aims to match, if not exceed, the current benchmarks in the AI landscape.

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.”