X.A.I. presented its latest chatbot on Tuesday, Grok 3, which the tech billionaire has termed “the most powerful AI on Earth.” Musk’s xA.I. tech company introduced the Grok 3 chatbot on Tuesday at 9:30 a.m.… What is Grok 3? Elon Musk’s xAI unveils a ‘scary smart’ AI chatbot to go toe-to-toe with OpenAI,DeepSeek.