Fixed window vs semantic vs late chunking — the trade-offs that make or break retrieval recall.
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Chunking in RAG: how do you pick size, overlap, and strategy?
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ragchunkingindexing
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Sketch your approach before reading the solution — that's what interviews test.
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Start 512 tokens / 15-20% overlap with structure-aware splits; small chunks help precision, large chunks help context. Late chunking embeds whole doc then slices.
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