Breaking Bad Tokens: Detoxification of LLMs Using Sparse Autoencoders

Agam Goyal, Vedant Rathi, William Yeh, Yian Wang, Yuen Chen, Hari Sundaram. Breaking Bad Tokens: Detoxification of LLMs Using Sparse Autoencoders. In Christos Christodoulopoulos 0001, Tanmoy Chakraborty 0002, Carolyn Rose, Violet Peng, editors, Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing, EMNLP 2025, Suzhou, China, November 4-9, 2025. pages 12691-12709, Association for Computational Linguistics, 2025. [doi]

Abstract

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