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News/SharedSAE: One Feature Dictionary Across Language Models
arxiv
PublishedSeptember 7, 2026 at 4:00 AM
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SharedSAE: One Feature Dictionary Across Language Models

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arXiv:2609.04344v1 Announce Type: cross Abstract: Sparse autoencoders (SAEs) are widely used to interpret language model activations, but SAE training and latent labelling are typically repeated for every model. Here, we show that a single shared SAE can replace a collection of dedicated per-model S

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