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Your RAG Chunker Cuts a Sentence in Half 98% of the Time

This story is from 2026-09-19. It is preserved in the archive; the latest stories are on the live feed.

When retrieval in a RAG pipeline comes back with the wrong passage, the first suspect is almost always the embedding model. Swap text-embedding-3-small for something with a bigger benchmark number, re-index, measure again. That is usually the wrong knob. If the chunk you pulled back stops halfway t…

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  1. 2026-09-19 12:39 · DEV Community — AI
    Your RAG Chunker Cuts a Sentence in Half 98% of the Time

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