Publications

2026

1. Preprint

   

   Draft-OPD: On-Policy Distillation for Speculative Draft Models

   Haodi Lei, Yafu Li, Haoran Zhang, Shunkai Zhang, Qianjia Cheng, Xiaoye Qu, Ganqu Cui, Bowen Zhou, Ning Ding, Yun Luo, and Yu Cheng

   arXiv Code Models Project Page
2. Preprint

   

   Achieving Gold-Medal-Level Olympiad Reasoning via Simple and Unified Scaling

   Yafu Li, Runzhe Zhan, Haoran Zhang, Shunkai Zhang, Yizhuo Li, Zhilin Wang, Jiacheng Chen, Futing Wang, Xuyang Hu, Yuchen Fan, Bangjie Xu, Yucheng Su, Xinmiao Han, Chenxi Li, Haodi Lei, Yufeng Zhao, Zejin Lin, Qianjia Cheng, Tong Zhu, Xiaoye Qu, Ganqu Cui, Peng Ye, Yun Luo, Zhouchen Lin, Yu Qiao, Bowen Zhou, Ning Ding, and Yu Cheng

   arXiv Code Models Project Page
3. Preprint

   

   π-Bench: Evaluating Proactive Personal Assistant Agents in Long-Horizon Workflows

   Haoran Zhang, Luxin Xu, Zhilin Wang, Runquan Gui, Shunkai Zhang, Haodi Lei, Zihao He, Bingsu He, Chicheng Qin, Tong Zhu, Xiaoye Qu, Yang Yang, Yu Cheng, and Yafu Li

   arXiv Code Data Project Page
4. Preprint

   

   P1-VL: Bridging Visual Perception and Scientific Reasoning in Physics Olympiads

   Yun Luo, Futing Wang, Qianjia Cheng, Fangchen Yu, Haodi Lei, Jianhao Yan, Chenxi Li, Jiacheng Chen, Yufeng Zhao, Haiyuan Wan, Yuchen Zhang, Shenghe Zheng, Junchi Yao, Qingyang Zhang, Haonan He, Wenxuan Zeng, Li Sheng, Chengxing Xie, Yuxin Zuo, Yizhuo Li, Yulun Wu, Rui Huang, Dongzhan Zhou, Kai Chen, Yu Qiao, Lei Bai, Yu Cheng, Ning Ding, Bowen Zhou, Peng Ye, and Ganqu Cui

   arXiv Code Models Project Page
5. AAAI 2026

   

   ProtSAE: Disentangling and Interpreting PLM via Semantically-Guided Sparse Autoencoders

   Xiangyu Liu, Haodi Lei, Yi Liu, Yang Liu, and Wei Hu

   arXiv PDF