Elon Musk’s artificial intelligence company xAI issued a lengthy apology Saturday for a series of violent and antisemitic posts from its Grok chatbot this week, blaming a system update.

While Elon Musk's $300 “Heavy” model puts up record-breaking benchmark scores, the basic Grok 4 struggles to keep up with competitors.

Elon Musk has launched xAI’s Grok 4—calling it the “world’s smartest AI” and claiming it can ace Ph.D.-level exams and outpace rivals such as Google’s Gemini and OpenAI’s o3 on tough benchmarks

Musk's announcement comes hours after xAI debuted its latest flagship AI model, Grok 4. The 54-year-old discussed the recent innovation during a nearly hour-long livestream shared on xAI's X page, during which he did not mention the chatbot's integration into Tesla vehicles.

The lack of public response from advertisers stands in stark contrast to their response in 2023 following an antisemitic post from Elon Musk.

Elon Musk’s chatbot Grok AI completely lost the plot this week. After Elon told users on X Monday to expect changes in how Grok responded, people started noticing what those changes looked like. By Tuesday, Grok was pushing antisemitic garbage and even r ...

The Echo Chamber jailbreak attack was described on June 23, 2025. xAI’a latest Grok-4 was released on July 9, 2025. Two days later it fell to a combined Echo Chamber and Crescendo jailbreak attack.