arxiv
PublishedApril 28, 2026 at 4:00 AM
Reward Models Are Secretly Value Functions: Temporally Coherent Reward Modeling
Publisher summary· verbatim
arXiv:2604.22981v1 Announce Type: new Abstract: Reward models in RLHF are trained to score only the final token of a response - a choice that discards rich signal from every intermediate position and produces models whose token-level outputs are noise. We argue this is a missed opportunity: a well-t
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