A compact reranker model from Jina AI designed for fast and accurate document reranking. It takes a query and a document as input and produces a relevance score. The model uses a specialized prompt format distinguishing between query and document roles and is optimized for integration into retrieval-augmented generation pipelines.
In the Other AI space, Jina Reranker M0 takes a focused approach. It focuses on improving the relevance ordering of retrieved documents in search and RAG systems. It is built as an open-source project for developers building search and retrieval systems. Jina Reranker M0 is open source under the Open Source license. Jina Reranker M0 is available on the web, the command line, and API.
Behind Jina Reranker M0 is Jina AI, and the product first shipped in 2025. Key capabilities include Document Reranking, cross-Encoder, and Semantic Search.
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