Outsource AI Risk to the Right People - Foreign Policy
Outsource AI Risk to the Right People Foreign Policy
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Personalized Group Relative Policy Optimization for Heterogenous Preference Alignment
Despite their sophisticated general-purpose capabilities, Large Language Models (LLMs) often fail to align with diverse individual preferences because standard post-training methods, like Reinforcement Learning with Human Feedback (RLHF), optimize for a single, global objective. While Group Relative Policy Optimization (GRPO) is a widely adopted on-policy reinforcement learning framework, its group-based normalization implicitly assumes that all samples are exchangeable, inheriting this limitation in personalized settings. This assumption conflates distinct user reward distributions and…
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