Fine-tuning teaches the shape, retrieval supplies the facts
This story is from 2026-08-23. It is preserved in the archive; the latest stories are on the live feed.
Everyone building RAG right now is tuning their retriever — better reranking, deeper retrieval, smarter chunking. I ran six experiments to see how much that helps once retrieval is already good. The short version: once the relevant passage was consistently reaching the context window, the retrieval…
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- 2026-08-23 05:50 · DEV Community — Machine Learning
Fine-tuning teaches the shape, retrieval supplies the facts