Make your RAG say 'I don't know': a score threshold, measured
A RAG system always gets something back from the index. Ask it about cooking and it returns the five nearest chunks of API docs, and the LLM then tries to be helpful. So: can a simple score threshold on retrieval tell "the docs cover this" from "they don't"? Short answer: yes, mostly. On the FastAP…
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- 2026-10-25 11:06 · DEV Community — Machine Learning
Make your RAG say 'I don't know': a score threshold, measured