According to xAI's data, Grok 4 and Grok 4 Heavy essentially beat all other models, including OpenAI's o3, Google's Gemini 2.5 Pro, and Claude 4 Opus in various common AI benchmarks, though as one Redditor noticed, the competitors have been chosen selectively, likely to make Grok look better.

Elon Musk said changes his xAI company made to Grok to be less politically correct had resulted in the chatbot being “too eager to please” and susceptible to being “manipulated.” That apparently led it to begin spewing out anti-Semitic and pro-Hitler comments on Musk’s X social platform Tuesday.

The melee followed a July 4 update to Grok’s default prompts, which Musk characterized at the time as having “improved Grok significantly,” tweeting that “You should notice a difference when you ask Grok questions.

Over the weekend, users spotted a bizarre mix-up in Grok, Elon Musk’s new AI chatbot. When asked about Kash Patel—a former Pentagon staffer and Trump associate—Grok confidently returned info about Ajit Pai,

United States president Donald Trump’s leaked letter to the Japanese Prime Minister, Shigeru Ishiba, has been analysed by AI and the results are shocking.