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A Correct Answer and a Confident Lie Look Identical: What RAG Must Prove Before It Answers

This story is from 2026-10-28. It is preserved in the archive; the latest stories are on the live feed.

Everyone says RAG fixed hallucination. The data tells a different story. In a preregistered study of more than 200 legal queries, three commercial retrieval-augmented research tools hallucinated between 17% and 33% of the time (Source: Magesh et al., Journal of Empirical Legal Studies, 2025). In th…

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  1. 2026-10-28 22:49 · DEV Community — Machine Learning
    A Correct Answer and a Confident Lie Look Identical: What RAG Must Prove Before It Answers

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