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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 25, 2026

AI 动态日报 2026-09-25

美团 LongCat 发布 LongCat-2.5-Preview，总参数 1.6T、激活约 48B，提供 1M token 上下文窗口，原生多模态，面向长程任务，覆盖终端、浏览器、GUI、电子表格和设计工具等场景。API 与对话入口已开放，作者转发时指出定价与之前持平。