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VASAE: Naming SAE Dictionary Directions with Vocabulary-Aligned Anchoring

arXiv cs.CL · 2026-06-29 Cached

The paper introduces Vocabulary-Aligned Sparse Autoencoder (VASAE), a method that trains SAE features under vocabulary-aligned anchoring, assigning each feature an intrinsic token name based on nearest token embedding, achieving high alignment in early layers without reducing reconstruction quality.

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