LeumaStudio · AI Engineering demo

Hybrid search RAG.

Two retrievers, one answer. A BM25 keyword search and a vector semantic search run over the same docs, get merged with reciprocal-rank fusion, reranked, then answered with inline citations. You can watch each stage below.

Demonstrates BM25 + pgvector ANN retrieval · reciprocal-rank fusion · Cohere rerank · cited generation