Martha Lewis

VASAE: Naming SAE Dictionary Directions with Vocabulary-Aligned Anchoring

Kairui Zhang, Ziwen Yu, Zahraa S. Abdallah, Martha Lewis

Sparse autoencoders (SAEs) provide useful decompositions of Transformer residual streams, but their learned features are usually named post hoc rather than directly connected to the Transformer's token vocabulary. We introduce Vocabulary-Aligned Sparse Autoencoder (VASAE), a meth…Read more