We benchmarked 8 reranker models on ~145k English Amazon reviews to measure how much a cross-encoder reranking stage improves dense retrieval. We benchmarked 8 reranker models on ~145k English Amazon reviews to measure how much a reranking stage improves dense retrieval. We retrieved top-100 candidates with multilingual-e5-base, reranked them with each model, and evaluated the top-10 result... [9281 chars]