Reranker by Contextual AI

The world's first instruction-following reranker

2025-03-11

Reranker by Contextual AI
This is the first reranker that can follow custom instructions about how to rank retrievals (e.g. recency, source, metadata, etc.). Our reranker is the most accurate in the world, outperforming competitors by large margins on the industry-standard benchmarks.
Reranker by Contextual AI is a groundbreaking tool designed to rank documents based on custom instructions, such as prioritizing recency, source, or metadata. As the world's first instruction-following reranker, it delivers unparalleled accuracy, significantly outperforming competitors on industry benchmarks. Users can tailor retrieval prioritization to their specific needs, ensuring highly relevant results. The tool supports queries, instructions, and documents up to 8,000 tokens each, with a total request limit of 400,000 tokens. Ideal for applications requiring precise document ranking, Reranker offers flexibility and superior performance, backed by detailed documentation and support. Explore its capabilities through provided code examples and reach out for feedback or inquiries.
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