One of the new “companions,” or AI characters for users to interact with, is a sexualized blonde anime bot called “Ani."

xAI’s latest frontier model, Grok 4, has been released without industry-standard safety reports, despite the company’s CEO, Elon Musk, being notably vocal about his concerns regarding AI safety. Leading AI labs typically release safety reports known as “system cards” alongside frontier models.

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.”

Experts at OpenAI and Anthropic are calling out Elon Musk and xAI for refusing to publish any safety research. In the wake of Grok, xAI's chatbot, calling itself "MechaHitler" and publicly spewing a ton of racist and anti-Semitic vitriol,

An AI model launched last week appears to have shipped with an unexpected occasional behavior: checking what its owner thinks first.

Grok began repeatedly praising Adolf Hitler, using antisemitic phrases and attacking users with traditionally Jewish surnames.

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,

Internal docs show xAI paid contractors to "hillclimb" Grok's rank on a coding leaderboard above Anthropic's Claude.