xAI, led by Elon Musk, has launched Grok 4.1, asserting it is three times less likely to produce false information compared to its predecessor. This version, developed to improve accuracy in creative and collaborative interactions, boasts a hallucination rate of only 4%, down from 12%. Grok 4.1 achieved an impressive Elo score of 1483 in AI benchmark LMArena, outperforming competitors significantly. The rollout began on November 1, 2025, enhancing reliability for users across multiple platforms.