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

On Wednesday night, Elon Musk unveiled xAI's latest flagship models Grok 4 and Grok 4 Heavy via livestream, just one day after the company's Grok chatbot began generating outputs that featured blatantly antisemitic tropes in responses to users on X.

Linda Yaccarino is stepping down as CEO of X after two years leading Elon Musk’s social media company. Yaccarino’s departure comes one day after the company’s Grok chatbot began pushing antisemitic tropes in responses to users. It’s not clear that the events were connected.

Authorities said the chatbot generated responses insulting the strongman president, modern Turkey's founder Mustafa Kemal Ataturk and religious values.

The NWS lost almost 600 workers in February amid cuts spearheaded by Musk’s Department of Government Efficiency (DOGE)

Elon Musk’s Grok chatbot has claimed that Jewish people run Hollywood, days after the billionaire launched a “significantly improved” version of the AI system.

In recent weeks, X owner Elon Musk has discussed making changes to the platform's AI program, Grok, seemingly due to the fact that the program was giving