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Building a RAG Evaluation Harness That Actually Catches Problems

by Shiva Shrestha

I shipped a RAG chatbot without measurement, then built a proper eval harness. Hit@1 went from 60% to 80%, hallucination dropped from 41% to 28% and two metrics still fail. Here's the whole story.

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RAG

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Devto Id
3615443
Reading Time Minutes
5

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