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FAC Synthesizes Diverse LLM Data

FAC Synthesizes Diverse LLM Data

Feature Activation Coverage (FAC) measures diversity in LLM feature space using sparse autoencoders. FAC Synthesis generates samples targeting missing features from seed data. Boosts diversity and performance on instruction, toxicity, reward, and steering tasks.

ArXiv AIResearchFeb 12#research#fac-synthesis#v1