Hybrid Search in RAG: Combining BM25 Keyword and Vector Retrieval

Vector search finds meaning. Keyword search finds exact words. Most production RAG systems need both. A product code like SKU-4412 , a person named Nguyen , or an error string from a log will often lose to a paraphrased but irrelevant chunk if you only compare embeddings. Hybrid search runs both pa…

Read the full story at DEV Community — AI ↗

Timeline · 1 report

1. 2026-11-12 12:55 · DEV Community — AI
   Hybrid Search in RAG: Combining BM25 Keyword and Vector Retrieval