Context—
rerank-2.5-lite is a reranker optimized for both latency and quality, delivering a 7.16% improvement in retrieval accuracy over Cohere Rerank v3.5 across 93 datasets and 10.36% on the Massive Instructed Retrieval Benchmark (MAIR). It supports a combined context length of 32K tokens per query-document pair, including up to 8K tokens for the query, and follows instructions that guide relevance scoring.