Feature-Guided SAE Steering for Refusal-Rate Control using Contrasting Prompts

arXiv — cs.LGTuesday, November 4, 2025 at 5:00:00 AM
A new study introduces a method for improving the safety of large language models (LLMs) by guiding them to recognize unsafe prompts without the need for costly adjustments to model weights. This approach leverages recent advancements in Sparse Autoencoders (SAEs) for better feature extraction, addressing previous limitations in systematic feature selection and evaluation. This is significant as it enhances the reliability of LLMs in real-world applications, ensuring they respond appropriately to user inputs.
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