AI article
Day 03/90: Hybrid Search in RAG: Can Combining BM25 and Vector Search Find Better Evidence?
Community description: Your RAG app retrieves five chunks. They look relevant, but none actually answers the...
Dev.to | Oct 18, 2026 | Rimsha Kanwal
Automated excerpt
That’s the question I’ll explore by comparing BM25, vector search, and hybrid retrieval with Reciprocal Rank Fusion (RRF). However, semantic similarity doesn’t guarantee that the most useful evidence ranks first. Hybrid search combines lexical matching with semantic similarity.
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