Verified70% confidenceFactTime unknown

大语言模型的上下文窗口已从早期的4K扩展到百万级别

4

Sources

70%

Confidence

Long-term

Relevance

5/31/2026

First Seen

Sources

Claude Code v2.1.141更新解析：从AI编程工具到工程化工作台

bilibili阿布看AI

Related Entities

大语言模型concept

Related Claims

Verified当前主流大语言模型上下文窗口已扩展至数十万乃至百万tokens，但超长上下文下模型对早期信息的注意力权重会显著衰减（中间丢失问题）74% similar Verified当前主流大语言模型上下文窗口已扩展到 128K 甚至更长71% similar Unverified早期模型的上下文窗口仅有4K至8K个Token，约3000至6000个英文单词71% similar Verified当前主流大语言模型的上下文窗口通常在8K到200K token之间69% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/9511

API

curl https://kongchang.com/api/v1/knowledge/claims/9511

MCP

get_claim(id=9511)