What is Reranking?
RAG
Reranking — A second-stage retrieval step that re-scores and reorders initial search results using a more powerful model. Improves RAG accuracy by 10-30% over embedding-only retrieval.
FAQ
What is reranking?
A second pass that re-scores retrieved documents using a cross-encoder model, improving relevance ranking.
Does reranking help?
Yes, typically 10-30% improvement in retrieval accuracy. Use Cohere Rerank or cross-encoder models.
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