Unverified60% confidenceTradeoffExact time

Chunks that are too large introduce noise that degrades retrieval accuracy, while chunks that are too small may lose context; 512 to 1024 tokens is generally a reasonable range.

2

Sources

60%

Confidence

Long-term

Relevance

7/14/2026

First Seen

Sources

从零构建离线RAG应用：PDF文档本地问答完整指南

Related Claims

Unverified文档切分过大会引入噪声干扰检索精度，切分过小则割裂语义完整性70% similar UnverifiedRetrieval denoising refers to filtering out low-relevance noise chunks from document fragments recalled by a vector store, preventing irrelevant information from interfering with the model's judgment70% similar

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