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

A chatbot created by Elon Musk’ s artificial intelligence company launched into an antisemitic tirade Tuesday and invoked Adolf Hitler, days after Musk touted updates that would reduce its reliance on mainstream media sources and train it on information that is “politically incorrect,” our colleague Faiz Siddiqui reports.

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