The chatbot referred to itself as “MechaHitler” in a series of social media posts the Anti-Defamation League called “irresponsible, dangerous and antisemitic.”

Elon Musk’s artificial intelligence company, xAI, said that its Grok chatbot relied too heavily on input from users of his social media platform X after a code update, causing it to share a series of...

Nevertheless, according to Grok’s logic, if somebody falls into a “good” racial category and is male, then he must be a “good scientist.”