马斯克旗下 xAI 发布 Grok 4 Fast：速度提升十倍但细节有所妥协
据testingcatalog报道，近日，xAI 正式推出了 Grok4Fast，这是一款全新的模型，用户可以通过 Grok 网页版的模型选择器来访问。为了体验这一新功能，用户需要在订阅设置中启用一个新的早期访问模式切换按钮。Grok4Fast 最大的亮点在于其速度，用户反馈称该模型的响应速度比标准的 Grok4快了多达10倍。这一版本的主要特点是优化了快速响应，尽量减少在复杂任务上的处理时间。例如，当被要求创建一个机器人 SVG 时，Grok4Fast 会提供相对简单的输出，这表明该模型更注重速度，而非作品的复杂性。
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