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Day 04/90: Lost in the Middle — Can RAG Find the Right Evidence and Still Get the Answer Wrong?_Evidence_

This story is from 2026-10-19. It is preserved in the archive; the latest stories are on the live feed.

A RAG system retrieves the passage containing the answer. The passage reaches the model. The answer is still wrong. That failure interests me because retrieval quality alone cannot explain it. We also need to investigate how the model uses the evidence it receives. For this challenge, I’m exploring…

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  1. 2026-10-19 21:16 · DEV Community — AI
    Day 04/90: Lost in the Middle — Can RAG Find the Right Evidence and Still Get the Answer Wrong?_Evidence_

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