Stop Rewarding Hallucinated Steps: Faithfulness-Aware Step-Level Reinforcement Learning for Small Reasoning Models
停止奖励幻觉步骤:面向小型推理模型的忠实感知步骤级强化学习
机构 * Institute of Computing and Intelligence, Harbin Institute of Technology, Shenzhen, China(哈尔滨工业大学深圳研究院) ; Institute of Artificial Intelligence (TeleAI), China Telecom Corp Ltd(中国电信人工智能研究院) ; College of Integrated Circuits, Zhejiang University, Hangzhou, Zhejiang, China(浙江大学集成电路学院) ; Zhongguancun Academy, Beijing, China(中关村学院)
专题命中 测试时计算 :reasoning(title,abstract);CoT(abstract,abstract_cn);chain-of-thought(abstract);分类 cs.CL
AI总结 针对小型推理模型在中间推理步骤中容易产生忠实性幻觉的问题,提出忠实感知步骤级强化学习(FaithRL),通过过程奖励模型提供步骤级监督和隐式截断重采样策略,减少幻觉并提高推理可靠性。