Reranking

Reranking reorders retrieved results with a more precise model, so the best passages go to the language model first.

Written by Reflective Data experts · updated Oct 5, 2026

Fast retrieval pulls many candidates; a reranker scores each against the question and keeps the best few. It often boosts answer quality noticeably for modest cost.

It is a common upgrade for retrieval systems.

Embeddings Retrieval-augmented generation (RAG)Semantic search

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