RLHF failures are classifiable training transitions: aggressive PPO yields localized reward hacking that row-level diagnostics catch and pre-transition features partially predict.
Feedback loops with language models drive in-context reward hacking,
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When RLHF Fails: A Mechanistic Taxonomy of Reward Hacking, Collapse, and Evaluator Gaming
RLHF failures are classifiable training transitions: aggressive PPO yields localized reward hacking that row-level diagnostics catch and pre-transition features partially predict.