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.”

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

Elon Musk’s xAI just launched Grok 4 — their most advanced AI model yet. It’s available through a new $300/month subscription called SuperGrok Heavy, which includes early access to Grok 4 Heavy, plus tools for coding,

Musk's announcement comes hours after xAI debuted its latest flagship AI model, Grok 4. The 54-year-old discussed the recent innovation during a nearly hour-long livestream shared on xAI's X page, during which he did not mention the chatbot's integration into Tesla vehicles.

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

The lack of public response from advertisers stands in stark contrast to their response in 2023 following an antisemitic post from Elon Musk.

At the launch of Grok 4, the xAI presenters prompted the chatbot to predict the World Series. The AI said the Dodgers had a 21.6% chance of winning.

AI owner Elon Musk made some big claims about Grok’s capability, saying it was “better than PhD level in every subject.”