Everything on Retrieval Architecture

Hybrid search, combining vector and lexical methods, significantly outperforms vector-only approaches. Re-rankers further refine results, addressing the limitations of embedding models in semantic ranking.

Impact: Improves answer accuracy and relevance, reducing hallucinations and increasing user trust in AI-generated responses.

— from Production RAG Evaluation and Agentic Context Engineering · AI Engineering Podcast· Oct 07, 2026