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Four layers of checks for a RAG vector index, with the code

When a RAG answer is wrong, the model usually gets the blame and the index that fed it gets a pass. I have learnt to look at the index first. This is a companion to a longer article on my site , which holds the full set of checks, their sources and the comparison of 25 evaluation tools. Here is the…

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  1. 2026-11-07 22:28 · DEV Community — AI
    Four layers of checks for a RAG vector index, with the code

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