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, the chatbot built by Musk’s start-up xAI, is integrated into X, the social media platform formerly known as Twitter.

Elon Musk is attempting to clean up a digital mess after his artificial intelligence chatbot "Grok" made antisemitic comments that praised Adolf Hitler. In since-deleted posts on X, the AI chatbot allegedly made comments about Hitler in response to a post about the Central Texas flood on Tuesday,