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.

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

Elon Musk’s live demo of Grok 4, the latest big-ticket model from his AI startup, began with high-intensity music, claims of a “ludicrous rate of progress,” and a lot of chatter on X about Grok’s scandal-filled week.

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.

Grok, Elon Musk's artificial intelligence, has recently been blaming its creator and President Donald Trump for deaths resulting from floods in Texas.

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.