rerank-2.5
Model Information
| Slug | rerank-2-5 |
|---|---|
| LLMs.txt | View |
| Release Date | July 27, 2026 New |
Organization
| Name | VoyageAI by MongoDB |
|---|
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, allowing users to guide relevance scoring through natural language prompts. Learn more about rerank-2.5 here:[ https://blog.voyageai.com/2025/08/11/rerank-2-5](https://blog.voyageai.com/2025/08/11/rerank-2-5)
Available at 2 Providers
| Provider | Type | Model Name | Original Model | Input ($/1M) | Output ($/1M) | Free | Actions | |
|---|---|---|---|---|---|---|---|---|
|
OpenRouter |
Chat
Code
|
rerank-2.5
|
voyageai/rerank-2.5
|
$0.00 | $0.00 | ||
|
Vercel AI Gateway |
Voyage Rerank 2.5
|
voyage/rerank-2.5
|
$0.05 | - |