X @Elon Musk

User Engagement - Grok 4.1 发布当天，访问量从 6-8 million 迅速增长到 10 million [1] - Grok 4.1 日访问量单日达到 10 million [1] - 访问量一夜之间增长超过 25% (从 8 million 到 10 million) [1] Product Characteristics - Grok 4.1 is free, without paywalls, and useful [1]