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开放模型追赶周期从13个月缩到约5个月，闭源巨头的护城河还剩什么？ episode artwork

EPISODE · Aug 22, 2026 · 8 MIN

开放模型追赶周期从13个月缩到约5个月，闭源巨头的护城河还剩什么？

from 投研随身听 · host 慢研播客

SemiAnalysis将大模型发展拆成早期扩展、推理和智能体三个时代。开放模型追上每个时代初始闭源前沿的时间，已经从约13个月缩短到8.5个月，再缩短到约4.8—6个月。这期学习版保留文章的四个核心判断：开放模型为何越追越快；基准追平为什么不等于产品追平；OpenAI与Hugging Face安全事件代表了怎样的下一代智能体能力；以及模型商品化与算力集中为什么可能同时发生。

Episode metadata supplied by the publisher feed · Published Aug 22, 2026

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开放模型追赶周期从13个月缩到约5个月，闭源巨头的护城河还剩什么？

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