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News/Rational Sparse Autoencoder
arxiv
PublishedJune 17, 2026 at 4:00 AM
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Rational Sparse Autoencoder

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arXiv:2606.14990v2 Announce Type: replace-cross Abstract: Sparse autoencoders (SAEs) are standard tools for mechanistic interpretability, but current SAE families are constrained by fixed encoder nonlinearities such as ReLU, JumpReLU, and TopK. This hard-codes a particular sparsity mechanism into th

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