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Yi-Ming Feng

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#artificial intelligence Preprint Sep 2026

LLaDA-PRM: A Bidirectional Step-Level Reasoning Evaluator

Step-level reasoning evaluators are commonly based on autoregressive language models, whose causal attention restricts each step representation to the problem, previous steps, and the current step. Yet, when the complete solution is available, the validity of an earlier step may become clearer only through its downstre...

Yi-Ming Feng, Naihao Deng, Yu-Long Chen et al. · 0 citations

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