In depth
Pure semantic search misses exact matches. Pure keyword search misses paraphrasing. Hybrid search runs both and merges the rankings, often with a re-ranker on top. It's the production default for most RAG setups in 2026, the marginal complexity is worth the recall improvement.
Related concepts
Semantic searchSearching by meaning instead of keywords. Powered by embeddings and vector databases.RAGA pattern where relevant documents are fetched from a knowledge base and pasted into context before the LLM answers.Re-rankingRe-ordering retrieved candidates with a more expensive model to put the best matches at the top.
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Engineering notes from the Digitorn team. No marketing, no launch announcements, no "10 prompts that will change your life". Just the things we write that we'd want to read.