SlideOn model card details SAE pretraining and Matryoshka sparse training recipe

tomaarsen · x · 2026-10-20

The HF model card details the recipe: SlideOn starts from DenseOn, maps token representations to top-32 latent activations with ReLU, and max-pools into 32,768-dim sparse vectors. SAE initializations and final retrieval models are both released, with a blog post covering method, results, and ablations.

Related event: LightOn Open-Sources SlideOn Sparse Retrievers at 174M/339M, Claiming SOTA(23 posts)→

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