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A Small RAG Evaluation Harness: Test Retrieval Before Blaming the LLM

This story is from 2026-10-12. It is preserved in the archive; the latest stories are on the live feed.

A wrong RAG answer does not automatically mean the language model failed. The system may have retrieved the wrong document, omitted the relevant passage, or supplied conflicting evidence. This guide builds a small retrieval-only evaluation harness . It separates one question—did we retrieve the exp…

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  1. 2026-10-12 11:38 · DEV Community — AI
    A Small RAG Evaluation Harness: Test Retrieval Before Blaming the LLM

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