Retrieval confidence can't tell your RAG chatbot when the answer is missing
I ran 65 questions against our own knowledge base and checked which ones the retrieved text actually answered. The similarity scores overlapped too much for any threshold to work. Our own handoff docs used to describe it: if retrieval confidence falls below a threshold, hand the visitor to a human…
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- 2026-10-08 07:38 · DEV Community — Machine Learning
Retrieval confidence can't tell your RAG chatbot when the answer is missing