Reranking / reranker

Appears in 2 tutorials

A second, more accurate (cross-encoder) scoring pass over retrieval candidates; the highest-value upgrade beyond basic retrieval.

As used in Retrieval-Augmented Generation (RAG) →

A second, more accurate (cross-encoder) scoring pass over retrieval candidates; the highest-value upgrade beyond basic retrieval.

As used in Vector Databases →

Two-stage search: fetch many candidates cheaply (compressed/bi-encoder), then re-score the shortlist precisely (full-precision or cross-encoder). Rescues lossy compression and boosts precision.

Retrieval-Augmented Generation (RAG) → Vector Databases →