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.

Grok 4 is xAI’s most advanced model yet, but early praise is clashing with old scandals and fresh tests of its limits.

Posts praising Hitler show the risks of accelerating the nascent technology with little stress testing and few guardrails

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.”

Elon Musk’s artificial intelligence startup xAI is rolling out Grok 4 just months after releasing its previous iteration, underscoring the frenetic pace of AI development.

In a livestream with xAI colleagues, the billionaire entrepreneur described current AI systems as “primitive” and not for “serious” commercial use.

The xAI founder said the very notion humans actually once managed an economy will seem very quaint in the future, like 'cavemen throwing sticks into a fire'.

Elon Musk’s artificial intelligence company is taking down antisemitic comments and other “inappropriate posts” made by its Grok chatbot, including some praising Adolf Hitler

Elon Musk's artificial intelligence chatbot "Grok" churned out antisemitic posts on his "X" platform. Staff Writer at The Atlantic, Charlie Warzel, Tel Aviv Institute Senior Fellow Hen Mazzig and Iraq War veteran and Independent Veterans of America CEO Paul Rieckhoff join Katy Tur to share their reactions and concerns.

Following Grok 4’s recent controversy involving antisemitic messages, the AI chatbot is under fire for consulting Elon Musk’s X posts when answering some questions.