Expired50% confidenceTradeoffExact time
Despite Opus 4.7 already having a million-token context window, context rot remains a significant problem.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/18/2026
First Seen
Valid until: 10/16/2026(expired)
Sources
Related Claims
Unverified尽管上下文窗口很大，上下文腐化（Context Rot）依然是巨大问题，模型对上下文中不同位置信息的注意力分布不均匀（Lost in the Middle效应）74% similarUnverifiedContext Rot（上下文腐烂）指随着对话变长、输入 Token 增多，模型准确度会逐步下降，该现象在 Claude、OpenAI、Gemini 等主流模型上普遍存在62% similarUnverifiedIn a RAG system, retrieving too much wastes context window space, while retrieving too little may miss critical information, making retrieval precision a key challenge.62% similarUnverifiedContext window limitations in LLMs cause them to struggle with schema information spanning hundreds of columns61% similarUnverifiedContext Rot refers to the phenomenon where, as the number of conversation turns increases, irrelevant information accumulates and the attention budget becomes filled with low-value content, causing reasoning quality to continuously decline.61% similar
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