xAI debuts powerful Grok 4 AI model, but it's not going to make people forget the antisemitism it spewed on X

• xAI has launched the new Grok 4 and Grok 4 Heavy AI models
• Grok 4 requires a $30 monthly SuperGrok subscription
• The launch comes as Grok faces renewed criticism

xAI introduced new versions of its Grok AI model line. Grok 4 and its larger, more powerful sibling, Grok 4 Heavy, are part of CEO Elon Musk’s effort to position Grok as a serious competitor to OpenAI’s ChatGPT, Google’s Gemini, and Anthropic’s Claude. That includes the new $300-a-month subscription tier called SuperGrok Heavy, which offers exclusive access to Grok 4 Heavy.

Musk boasted during the announcement livestream that “Grok 4 is better than PhD level in every subject, no exceptions. At times, it may lack common sense, and it has not yet invented new technologies or discovered new physics, but that is just a matter of time.”

And the model’s benchmark scores do suggest it's ...