Grok 4 Heavy 在多个高难度学术测试中领先其他主流模型，显示出强大的逻辑推理、数学解题能力，是目前唯一一个在美国数学邀请赛（AIME25）中取得满分的AI模型。 商业应用初现端倪：Grok 4在AI自动运营模拟平台“Vending Bench”中实现同类模型中最高净收益表现，并被用于前沿生物医疗研究、金融分析、游戏开发等真实工作场景。

NEW YORK, July 13 (Xinhua) -- Elon Musk's SpaceX has agreed to invest 2 billion U.S. dollars in his artificial-intelligence company xAI, The Wall Street Journal reported Saturday, quoting investors ...

BRUSSELS, July 10 (Xinhua) -- The European Commission on Thursday released the final version of a voluntary code of practice for general-purpose artificial intelligence (GPAI), aimed at helping ...