rerank-2.5

VoyageAI by MongoDB • rerank-2-5
Model Information
Slug rerank-2-5
LLMs.txt View
Release Date July 27, 2026
Organization
Model Description
rerank-2.5 is a cutting-edge reranker optimized for quality, delivering a 7.94% improvement in retrieval accuracy over Cohere Rerank v3.5 across 93 datasets. It also outperformed Cohere Rerank v3.5 by 12.70% on the Massive Instructed Retrieval Benchmark (MAIR). The model supports a combined context length of 32K tokens per query–document pair, including up to 8K tokens for the query, enabling more accurate retrieval over longer documents. Additionally, rerank-2.5 supports instruction following, allowingbout rerank-2.5 here: [mongodb.com/products/platform/ai-search-and-retrieval/models](https://www.mongodb.com/products/platform/ai-search-and-retrieval/models?utm_source=openrouter&utm_medium=referral)
Available at 2 Providers
Provider Type Model Name Original Model Input ($/1M) Output ($/1M) Free Actions
OpenRouter
OpenRouter
Chat Code
rerank-2.5
voyageai/rerank-2.5 $0.00 $0.00
Vercel AI Gateway
Vercel AI Gateway
Voyage Rerank 2.5
voyage/rerank-2.5 $0.05 -