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AI 动态

人工智能、AI Agent、大模型、开源模型、AI 产品、模型服务与生态变化。

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Sep 21, 2026

AI 动态日报 2026-09-21

xAI 正式发布 Grok 4.7，官方称其为目前编码与知识工作能力最强的模型，价格与速度与 Grok 4.6 持平，输入 $2、输出 $6 每百万 token。新模型采用更大的基础模型并加长强化学习训练，CursorBench 4.0 得分 46.3%，HackerBench v0.3 仅放行 3.3% 危险双用途提示，已上架 Cursor、Grok Build 和 API。