马斯克宣布 xAI 开源 Grok 2.5 模型，Grok 3 将在半年后跟进

Group 1 - Elon Musk announced on his social media platform X that his AI startup xAI has open-sourced its Grok 2.5 model and plans to do the same for the Grok 3 model in approximately six months [1] - The Grok App recently received an update to version 1.1.58, which includes faster image generation for the Imagine feature and enhanced fun for the Companions feature [3] - The Vision mode is now available to all Grok Android App users, no longer limited to the beta version [3]