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cs.CL2026
TeacherGRPO: Closing the Capacity Gap in Reasoning Distillation via Teacher Alignment
Zhenyu Lei, Zihan Chen, Yaochen Zhu +5
Reasoning distillation from powerful teacher models to smaller students faces the Gap Curse: as teachers grow more sophisticated, their complex distributions increasingly diverge f…
cs.AI2026
ToolPRMBench: Evaluating and Advancing Process Reward Models for Tool-using Agents
Dawei Li, Yuguang Yao, Zhen Tan +2
Reward-guided search methods have demonstrated strong potential in enhancing tool-using agents by effectively guiding sampling and exploration over complex action spaces. As a core…