Unverified50% confidenceFactExact time
Some models, when the context window is limited, quietly truncate or compress earlier conversation content.
1
Sources
50%
Confidence
Long-term
Relevance
9/28/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedWhen context usage reaches 70%–90%, it is best to compress the context or start a new conversation, because model performance degrades as it approaches the end of the context window.79% similarUnverifiedAn overly long CLAUDE.md compresses the context window space available for actual code and conversation, reducing the model's effective working capacity.77% similarUnverifiedProofreading generated content in a new session can avoid the attention decay problem caused by an excessively long context window.77% similarUnverified长对话切换至上下文窗口较小的模型时可能出现历史截断问题76% similarUnverifiedLarge models are stateless by nature, with each conversation starting from zero by default, and because the context window is limited, content that exceeds its range is automatically truncated and forgotten75% similar
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