RLHF improves OOD generalization over SFT especially under larger distribution shifts but reduces output diversity, revealing a tradeoff in LLM fine-tuning methods.
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Understanding the Effects of RLHF on LLM Generalisation and Diversity
RLHF improves OOD generalization over SFT especially under larger distribution shifts but reduces output diversity, revealing a tradeoff in LLM fine-tuning methods.