When Elon Musk’s Grok AI chatbot began spewing out antisemitic responses to several queries on X last week, some users were shocked.

Economist Paul Krugman believes that Elon Musk’s Grok AI chatbot became “MechaHitler” because the latter tried to make the AI less “politically correct.” What Happened: On Thursday, Krugman weighed in on the recent controversy in his Substack newsletter,

AI explained why Grok 4 seemed to search for Elon Musk's opinions when asked about some hot-button topics.

The latest Grok controversy is revealing not for the extremist outputs, but for how it exposes a fundamental dishonesty in AI development.

Billionaire Elon Musk's AI chatbot Grok issued an apology after praising Adolf Hitler, spewing antisemitism and referring to itself as "MechaHitler" during a pro-Nazi tirade.

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.”

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

The AI chatbot Grok, which is produced by Elon Musk’s xAI, wrote numerous antisemitic social media posts Tuesday after the artificial intelligence company released a revamped version of it over the weekend. The posts ranged from alleging "patterns" about Jewish people to praising Hitler.

Grok, the AI chatbot designed by Elon Musk’s xAI for social media, described itself as “MechaHitler” while making a string of antisemitic posts this week.