One of the new “companions,” or AI characters for users to interact with, is a sexualized blonde anime bot called “Ani."

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.”

Explore GROK 4, Elon Musk’s groundbreaking AI model, and its impact on Tesla, defense, and the future of ethical AI innovation.

Elon Musk released the newest artificial intelligence model from his company xAI on Wednesday night. In an hour-long public reveal session, he called the model, Grok 4, “the smartest AI in the world” and claimed it was capable of getting perfect SAT scores and near-perfect GRE results in every subject,

Elon Musk’s xAI released the long-awaited Grok 4. And from our perspective, it likely marked the moment AI officially shifted into a higher gear. In the span of just a few months, xAI went from Grok 3 – a smart but still rough-around-the-edges AI – to Grok 4,

Grok 4 has a favorite source on some hot-topic issues, citing Elon Musk's opinions without being instructed to do so.

Elon Musk's xAI startup is swimming in controversy after launching Grok 4, the latest version of its snarky AI chatbot. Last week, the company boasted that Grok 4 achieved higher scores than quite a few other large language models (LLMs) on various industry benchmarks.