Grok 4.1 basically showed up out of nowhere and flipped the entire AI world inside out. Everyone was waiting for Gemini 3 to dominate the headlines, and instead xAI quietly pushed an update that instantly jumped to the top of every major benchmark. Hallucinations dropped to near-record lows, emotional intelligence shot up by more than 100 Elo, creative writing scores exploded, and both the regular and Thinking versions landed straight at number one on the LMSYS Arena. Users across X started posting comparisons, speed tests, and screenshots within minutes, and even free users got access on day one. This video breaks down everything that changed, why 4.1 feels like a completely different model, and how this surprise rollout shifted the entire week in AI.
Credit to : AI Revolution