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Open-weight & owned stack · Open lab releases

Linkup Research Releases Apache-Licensed Sparse Embedding Model

Sep 19, 2026, first seen via MarkTechPost

Linkup Research released SPARSEUP, a 149-million-parameter Apache 2.0 sparse embedding model scoring 56.4 nDCG@10 on BEIR-13.

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Linkup Research Releases SPARSEUP: A 149M-Parameter Open-Source Sparse Embedding Model - MarkTechPostmarktechpost.com, Sep 19

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