Linkup Research Releases SPARSEUP: A 149M-Parameter Open-Source Sparse Embedding Model
MarkTechPost 3 weeks ago 11
Linkup Research released SPARSEUP, an Apache 2.0 open-source learned sparse embedding model built on a 149M-parameter ModernBERT backbone. Linkup reports 56.4 average nDCG@10 on BEIR-13. The release adds a vocabulary-based sparse encoder with deployable weights on Hugging Face and achieves over 97% recall on MS MARCO in about 380 microseconds per query using Seismic search.