Cohere 发布 Rerank 5 检索模型，Pro 与 Fast 双版本上线
原标题：Introduction
AI 摘要
Cohere 发布企业级检索模型 Rerank 5，分为 Pro 和 Fast 两个版本，并推出可定位文档内最相关文本片段的新能力 Context Focus。Cohere 称 Rerank 5 Pro 在 ViDoRe V3、nanoMTEB、BRIGHT、BEIR 等公开基准上领先所有被测竞品，在 46 个复合数据集中有 39 个排名第一；Fast 版主打低延迟与高吞吐。模型已在 Cohere API、Model Vault、Microsoft Foundry、Amazon SageMaker 上线，Pro 定价为每百万 token 0.05 美元，Fast 为 0.02 美元。
正文节选
Introduction Today, we're releasing Rerank 5, our most advanced enterprise retrieval models yet, available in Pro and Fast tiers. Rerank 5 helps teams find the right information, send the most relevant context to their LLMs, and give customers more tailored search experiences. With Rerank 5 Pro, we’ve set a new standard in reranking quality, especially on reasoning-intensive search, visually rich documents, and key enterprise domains. Rerank 5 Fast brings that quality to latency- and cost-sensit