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.

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 Grok 4, Elon Musk’s groundbreaking AI that’s designed for industries, creativity, and problem-solving. Grok 4 AI system showcase

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

Elon Musk's xAI said Grok's behavior was due to an update that caused it to prioritize engagement, even if posts contained "controversial opinions."