待验证50% 置信事实精确时间
Large language models' context windows have expanded from a few thousand tokens in early versions to hundreds of thousands or even millions of tokens
1
来源数
50%
置信度
中期 (~90 天)
时效性
2026/7/2
首次发现
有效期至：2026/9/30
来源
Andrew Ng's AI Prompting Guide: Four Key Gaps Between Beginners and Experts
bilibili吴恩达_AndrewNg2026/6/4
相关事实
已验证目前主流大语言模型的上下文窗口从几万到几十万token不等76% 相似待验证Traditional large language models are limited by context window sizes, typically handling only a few thousand to tens of thousands of tokens, making it impossible to process an entire project at once.75% 相似待验证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）75% 相似已验证大语言模型的上下文窗口已从早期的4K扩展到百万级别75% 相似待验证大语言模型的上下文窗口有限，单次推理能处理的文本长度通常为数万至数十万Token74% 相似
引用此条事实
Stable URI
https://kongchang.com/claim/51672API
curl https://kongchang.com/api/v1/knowledge/claims/51672MCP
get_claim(id=51672)