Retail Search
ARCH-0.5 · cross-domain core
Phase 3 - Retail Product Search (Amazon ESCI)
Live search over 1.2M Amazon products with structured fields (title, brand, color, bullets, description). Toggle between fast keyword (BM25) and the semantic BGE hybrid to see the difference - try "something to drink instead of coffee" in both. Semantic mode also runs negation-aware query understanding: try "refrigerator without freezer" and watch products that have a freezer get demoted while a unit advertised "without freezer" is protected.
Search products
Search products. Semantic mode understands intent (e.g. "not coffee" -> coffee alternatives) but is slower (~3s) on the free-tier instance; keyword mode is fast (~0.5s).