Beyond GRPO and On-Policy Distillation: An Empirical Sparse-to-Dense Reward Principle for Language-Model Post-Training

Fuente: arXiv
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Bibliographic Details
Main Authors: Xu, Yuanda, Sang, Hejian, Zhou, Zhengze, He, Ran, Wang, Zhipeng, Geramifard, Alborz
Format: Preprint
Published: 2026
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