Retail Search - Retail Relevance (Amazon ESCI)

Phase 3 - Retail Relevance (Amazon ESCI)

Product search over 1.2M Amazon products with structured fields. The BGE hybrid reaches parity with the published baseline (0.8468 vs 0.8503) and understands intent keyword search cannot.

All phases

Livestatus

Amazon ESCI (1.2M products)dataset

Official hybrid nDCG 0.8468 (baseline 0.8503)metrics

Live retail search

Search 1.2M Amazon products. Fast keyword ranking by default; the BGE hybrid (semantic) is opt-in and understands intent keyword search cannot.

Try Phase 3 Search Explain flow

semantic searchBGE hybrid: intent understanding

field-level explainwhy a product ranked

/api/esci/evaluationbaselines + hybrid parity

/api/esci/metacorpus + architecture

Dataset reference

Amazon ESCI Shopping Queries Amazon Science esci-data

Product-search benchmark with Exact, Substitute, Complement, and Irrelevant relevance labels for query-product pairs.