Alibaba Proposes ERPO: Environmental Regularization for Stable LLM RLHF
alibabagroup · hf · 2026-08-25
Alibaba Group published the paper 'Beyond the Stability-Exploration Dilemma', introducing ERPO (Environmental Regularization for Policy Optimization). ERPO replaces action-side policy regularization with input-side query distribution control to stabilize reinforcement learning for language models while preserving response exploration, addressing the trade-off between stability and exploration.
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