Reward Collapse in Aligning Large Language Models

arXiv — cs.CLFriday, October 31, 2025 at 4:00:00 AM
A recent paper discusses the concept of 'reward collapse' in large language models like ChatGPT and GPT-4, highlighting how their performance is influenced by reward models based on human preferences. This phenomenon, where the ranking-based approach leads to identical reward distributions, raises important questions about the effectiveness of current alignment strategies. Understanding these dynamics is crucial as it can impact the future development and deployment of AI technologies.
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