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| Online Access: | https://arxiv.org/abs/2512.02556 |
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| author | DeepSeek-AI Liu, Aixin Mei, Aoxue Lin, Bangcai Xue, Bing Wang, Bingxuan Xu, Bingzheng Wu, Bochao Zhang, Bowei Lin, Chaofan Dong, Chen Lu, Chengda Zhao, Chenggang Deng, Chengqi Xu, Chenhao Ruan, Chong Dai, Damai Guo, Daya Yang, Dejian Chen, Deli Li, Erhang Zhou, Fangqi Lin, Fangyun Dai, Fucong Hao, Guangbo Chen, Guanting Li, Guowei Zhang, H. Xu, Hanwei Li, Hao Liang, Haofen Wei, Haoran Zhang, Haowei Luo, Haowen Ji, Haozhe Ding, Honghui Tang, Hongxuan Cao, Huanqi Gao, Huazuo Qu, Hui Zeng, Hui Huang, Jialiang Li, Jiashi Xu, Jiaxin Hu, Jiewen Chen, Jingchang Xiang, Jingting Yuan, Jingyang Cheng, Jingyuan Zhu, Jinhua Ran, Jun Jiang, Junguang Qiu, Junjie Li, Junlong Song, Junxiao Dong, Kai Gao, Kaige Guan, Kang Huang, Kexin Zhou, Kexing Huang, Kezhao Yu, Kuai Wang, Lean Zhang, Lecong Wang, Lei Zhao, Liang Yin, Liangsheng Guo, Lihua Luo, Lingxiao Ma, Linwang Wang, Litong Zhang, Liyue Di, M. S. Xu, M. Y Zhang, Mingchuan Zhang, Minghua Tang, Minghui Zhou, Mingxu Huang, Panpan Cong, Peixin Wang, Peiyi Wang, Qiancheng Zhu, Qihao Li, Qingyang Chen, Qinyu Du, Qiushi Xu, Ruiling Ge, Ruiqi Zhang, Ruisong Pan, Ruizhe Wang, Runji Yin, Runqiu Xu, Runxin Shen, Ruomeng Zhang, Ruoyu Liu, S. H. Lu, Shanghao Zhou, Shangyan Chen, Shanhuang Cai, Shaofei Chen, Shaoyuan Hu, Shengding Liu, Shengyu Hu, Shiqiang Ma, Shirong Wang, Shiyu Yu, Shuiping Zhou, Shunfeng Pan, Shuting Zhou, Songyang Ni, Tao Yun, Tao Pei, Tian Ye, Tian Yue, Tianyuan Zeng, Wangding Liu, Wen Liang, Wenfeng Pang, Wenjie Luo, Wenjing Gao, Wenjun Zhang, Wentao Gao, Xi Wang, Xiangwen Bi, Xiao Liu, Xiaodong Wang, Xiaohan Chen, Xiaokang Zhang, Xiaokang Nie, Xiaotao Cheng, Xin Liu, Xin Xie, Xin Liu, Xingchao Yu, Xingkai Li, Xingyou Yang, Xinyu Li, Xinyuan Chen, Xu Su, Xuecheng Pan, Xuehai Lin, Xuheng Fu, Xuwei Wang, Y. Q. Zhang, Yang Xu, Yanhong Ma, Yanru Li, Yao Li, Yao Zhao, Yao Sun, Yaofeng Wang, Yaohui Qian, Yi Yu, Yi Zhang, Yichao Ding, Yifan Shi, Yifan Xiong, Yiliang He, Ying Zhou, Ying Zhong, Yinmin Piao, Yishi Wang, Yisong Chen, Yixiao Tan, Yixuan Wei, Yixuan Ma, Yiyang Liu, Yiyuan Yang, Yonglun Guo, Yongqiang Wu, Yongtong Wu, Yu Cheng, Yuan Ou, Yuan Xu, Yuanfan Wang, Yuduan Gong, Yue Wu, Yuhan Zou, Yuheng Li, Yukun Xiong, Yunfan Luo, Yuxiang You, Yuxiang Liu, Yuxuan Zhou, Yuyang Wu, Z. F. Ren, Z. Z. Zhao, Zehua Ren, Zehui Sha, Zhangli Fu, Zhe Xu, Zhean Xie, Zhenda Zhang, Zhengyan Hao, Zhewen Gou, Zhibin Ma, Zhicheng Yan, Zhigang Shao, Zhihong Huang, Zhixian Wu, Zhiyu Li, Zhuoshu Zhang, Zhuping Xu, Zian Wang, Zihao Gu, Zihui Zhu, Zijia Li, Zilin Zhang, Zipeng Xie, Ziwei Gao, Ziyi Pan, Zizheng Yao, Zongqing Feng, Bei Li, Hui Cai, J. L. Ni, Jiaqi Xu, Lei Li, Meng Tian, Ning Chen, R. J. Jin, R. L. Li, S. S. Zhou, Shuang Sun, Tianyu Li, X. Q. Jin, Xiangyue Shen, Xiaojin Chen, Xiaosha Song, Xinnan Zhou, Xinyi Zhu, Y. X. Huang, Yanping Li, Yaohui Zheng, Yi Zhu, Yuchen Ma, Yunxian Huang, Zhen Xu, Zhipeng Zhang, Zhongyu Ji, Dongjie Liang, Jian Guo, Jianzhong Chen, Jin Xia, Leyi Wang, Miaojun Li, Mingming Zhang, Peng Chen, Ruyi Sun, Shangmian Wu, Shaoqing Ye, Shengfeng Wang, T. Xiao, W. L. An, Wei Wang, Xianzu Sun, Xiaowen Wang, Xiaoxiang Tang, Ying Zha, Yukun Zhang, Zekai Ju, Zhe Zhang, Zhen Qu, Zihua |
| author_facet | DeepSeek-AI Liu, Aixin Mei, Aoxue Lin, Bangcai Xue, Bing Wang, Bingxuan Xu, Bingzheng Wu, Bochao Zhang, Bowei Lin, Chaofan Dong, Chen Lu, Chengda Zhao, Chenggang Deng, Chengqi Xu, Chenhao Ruan, Chong Dai, Damai Guo, Daya Yang, Dejian Chen, Deli Li, Erhang Zhou, Fangqi Lin, Fangyun Dai, Fucong Hao, Guangbo Chen, Guanting Li, Guowei Zhang, H. Xu, Hanwei Li, Hao Liang, Haofen Wei, Haoran Zhang, Haowei Luo, Haowen Ji, Haozhe Ding, Honghui Tang, Hongxuan Cao, Huanqi Gao, Huazuo Qu, Hui Zeng, Hui Huang, Jialiang Li, Jiashi Xu, Jiaxin Hu, Jiewen Chen, Jingchang Xiang, Jingting Yuan, Jingyang Cheng, Jingyuan Zhu, Jinhua Ran, Jun Jiang, Junguang Qiu, Junjie Li, Junlong Song, Junxiao Dong, Kai Gao, Kaige Guan, Kang Huang, Kexin Zhou, Kexing Huang, Kezhao Yu, Kuai Wang, Lean Zhang, Lecong Wang, Lei Zhao, Liang Yin, Liangsheng Guo, Lihua Luo, Lingxiao Ma, Linwang Wang, Litong Zhang, Liyue Di, M. S. Xu, M. Y Zhang, Mingchuan Zhang, Minghua Tang, Minghui Zhou, Mingxu Huang, Panpan Cong, Peixin Wang, Peiyi Wang, Qiancheng Zhu, Qihao Li, Qingyang Chen, Qinyu Du, Qiushi Xu, Ruiling Ge, Ruiqi Zhang, Ruisong Pan, Ruizhe Wang, Runji Yin, Runqiu Xu, Runxin Shen, Ruomeng Zhang, Ruoyu Liu, S. H. Lu, Shanghao Zhou, Shangyan Chen, Shanhuang Cai, Shaofei Chen, Shaoyuan Hu, Shengding Liu, Shengyu Hu, Shiqiang Ma, Shirong Wang, Shiyu Yu, Shuiping Zhou, Shunfeng Pan, Shuting Zhou, Songyang Ni, Tao Yun, Tao Pei, Tian Ye, Tian Yue, Tianyuan Zeng, Wangding Liu, Wen Liang, Wenfeng Pang, Wenjie Luo, Wenjing Gao, Wenjun Zhang, Wentao Gao, Xi Wang, Xiangwen Bi, Xiao Liu, Xiaodong Wang, Xiaohan Chen, Xiaokang Zhang, Xiaokang Nie, Xiaotao Cheng, Xin Liu, Xin Xie, Xin Liu, Xingchao Yu, Xingkai Li, Xingyou Yang, Xinyu Li, Xinyuan Chen, Xu Su, Xuecheng Pan, Xuehai Lin, Xuheng Fu, Xuwei Wang, Y. Q. Zhang, Yang Xu, Yanhong Ma, Yanru Li, Yao Li, Yao Zhao, Yao Sun, Yaofeng Wang, Yaohui Qian, Yi Yu, Yi Zhang, Yichao Ding, Yifan Shi, Yifan Xiong, Yiliang He, Ying Zhou, Ying Zhong, Yinmin Piao, Yishi Wang, Yisong Chen, Yixiao Tan, Yixuan Wei, Yixuan Ma, Yiyang Liu, Yiyuan Yang, Yonglun Guo, Yongqiang Wu, Yongtong Wu, Yu Cheng, Yuan Ou, Yuan Xu, Yuanfan Wang, Yuduan Gong, Yue Wu, Yuhan Zou, Yuheng Li, Yukun Xiong, Yunfan Luo, Yuxiang You, Yuxiang Liu, Yuxuan Zhou, Yuyang Wu, Z. F. Ren, Z. Z. Zhao, Zehua Ren, Zehui Sha, Zhangli Fu, Zhe Xu, Zhean Xie, Zhenda Zhang, Zhengyan Hao, Zhewen Gou, Zhibin Ma, Zhicheng Yan, Zhigang Shao, Zhihong Huang, Zhixian Wu, Zhiyu Li, Zhuoshu Zhang, Zhuping Xu, Zian Wang, Zihao Gu, Zihui Zhu, Zijia Li, Zilin Zhang, Zipeng Xie, Ziwei Gao, Ziyi Pan, Zizheng Yao, Zongqing Feng, Bei Li, Hui Cai, J. L. Ni, Jiaqi Xu, Lei Li, Meng Tian, Ning Chen, R. J. Jin, R. L. Li, S. S. Zhou, Shuang Sun, Tianyu Li, X. Q. Jin, Xiangyue Shen, Xiaojin Chen, Xiaosha Song, Xinnan Zhou, Xinyi Zhu, Y. X. Huang, Yanping Li, Yaohui Zheng, Yi Zhu, Yuchen Ma, Yunxian Huang, Zhen Xu, Zhipeng Zhang, Zhongyu Ji, Dongjie Liang, Jian Guo, Jianzhong Chen, Jin Xia, Leyi Wang, Miaojun Li, Mingming Zhang, Peng Chen, Ruyi Sun, Shangmian Wu, Shaoqing Ye, Shengfeng Wang, T. Xiao, W. L. An, Wei Wang, Xianzu Sun, Xiaowen Wang, Xiaoxiang Tang, Ying Zha, Yukun Zhang, Zekai Ju, Zhe Zhang, Zhen Qu, Zihua |
| contents | We introduce DeepSeek-V3.2, a model that harmonizes high computational efficiency with superior reasoning and agent performance. The key technical breakthroughs of DeepSeek-V3.2 are as follows: (1) DeepSeek Sparse Attention (DSA): We introduce DSA, an efficient attention mechanism that substantially reduces computational complexity while preserving model performance in long-context scenarios. (2) Scalable Reinforcement Learning Framework: By implementing a robust reinforcement learning protocol and scaling post-training compute, DeepSeek-V3.2 performs comparably to GPT-5. Notably, our high-compute variant, DeepSeek-V3.2-Speciale, surpasses GPT-5 and exhibits reasoning proficiency on par with Gemini-3.0-Pro, achieving gold-medal performance in both the 2025 International Mathematical Olympiad (IMO) and the International Olympiad in Informatics (IOI). (3) Large-Scale Agentic Task Synthesis Pipeline: To integrate reasoning into tool-use scenarios, we developed a novel synthesis pipeline that systematically generates training data at scale. This methodology facilitates scalable agentic post-training, yielding substantial improvements in generalization and instruction-following robustness within complex, interactive environments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_02556 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | DeepSeek-V3.2: Pushing the Frontier of Open Large Language Models DeepSeek-AI Liu, Aixin Mei, Aoxue Lin, Bangcai Xue, Bing Wang, Bingxuan Xu, Bingzheng Wu, Bochao Zhang, Bowei Lin, Chaofan Dong, Chen Lu, Chengda Zhao, Chenggang Deng, Chengqi Xu, Chenhao Ruan, Chong Dai, Damai Guo, Daya Yang, Dejian Chen, Deli Li, Erhang Zhou, Fangqi Lin, Fangyun Dai, Fucong Hao, Guangbo Chen, Guanting Li, Guowei Zhang, H. Xu, Hanwei Li, Hao Liang, Haofen Wei, Haoran Zhang, Haowei Luo, Haowen Ji, Haozhe Ding, Honghui Tang, Hongxuan Cao, Huanqi Gao, Huazuo Qu, Hui Zeng, Hui Huang, Jialiang Li, Jiashi Xu, Jiaxin Hu, Jiewen Chen, Jingchang Xiang, Jingting Yuan, Jingyang Cheng, Jingyuan Zhu, Jinhua Ran, Jun Jiang, Junguang Qiu, Junjie Li, Junlong Song, Junxiao Dong, Kai Gao, Kaige Guan, Kang Huang, Kexin Zhou, Kexing Huang, Kezhao Yu, Kuai Wang, Lean Zhang, Lecong Wang, Lei Zhao, Liang Yin, Liangsheng Guo, Lihua Luo, Lingxiao Ma, Linwang Wang, Litong Zhang, Liyue Di, M. S. Xu, M. Y Zhang, Mingchuan Zhang, Minghua Tang, Minghui Zhou, Mingxu Huang, Panpan Cong, Peixin Wang, Peiyi Wang, Qiancheng Zhu, Qihao Li, Qingyang Chen, Qinyu Du, Qiushi Xu, Ruiling Ge, Ruiqi Zhang, Ruisong Pan, Ruizhe Wang, Runji Yin, Runqiu Xu, Runxin Shen, Ruomeng Zhang, Ruoyu Liu, S. H. Lu, Shanghao Zhou, Shangyan Chen, Shanhuang Cai, Shaofei Chen, Shaoyuan Hu, Shengding Liu, Shengyu Hu, Shiqiang Ma, Shirong Wang, Shiyu Yu, Shuiping Zhou, Shunfeng Pan, Shuting Zhou, Songyang Ni, Tao Yun, Tao Pei, Tian Ye, Tian Yue, Tianyuan Zeng, Wangding Liu, Wen Liang, Wenfeng Pang, Wenjie Luo, Wenjing Gao, Wenjun Zhang, Wentao Gao, Xi Wang, Xiangwen Bi, Xiao Liu, Xiaodong Wang, Xiaohan Chen, Xiaokang Zhang, Xiaokang Nie, Xiaotao Cheng, Xin Liu, Xin Xie, Xin Liu, Xingchao Yu, Xingkai Li, Xingyou Yang, Xinyu Li, Xinyuan Chen, Xu Su, Xuecheng Pan, Xuehai Lin, Xuheng Fu, Xuwei Wang, Y. Q. Zhang, Yang Xu, Yanhong Ma, Yanru Li, Yao Li, Yao Zhao, Yao Sun, Yaofeng Wang, Yaohui Qian, Yi Yu, Yi Zhang, Yichao Ding, Yifan Shi, Yifan Xiong, Yiliang He, Ying Zhou, Ying Zhong, Yinmin Piao, Yishi Wang, Yisong Chen, Yixiao Tan, Yixuan Wei, Yixuan Ma, Yiyang Liu, Yiyuan Yang, Yonglun Guo, Yongqiang Wu, Yongtong Wu, Yu Cheng, Yuan Ou, Yuan Xu, Yuanfan Wang, Yuduan Gong, Yue Wu, Yuhan Zou, Yuheng Li, Yukun Xiong, Yunfan Luo, Yuxiang You, Yuxiang Liu, Yuxuan Zhou, Yuyang Wu, Z. F. Ren, Z. Z. Zhao, Zehua Ren, Zehui Sha, Zhangli Fu, Zhe Xu, Zhean Xie, Zhenda Zhang, Zhengyan Hao, Zhewen Gou, Zhibin Ma, Zhicheng Yan, Zhigang Shao, Zhihong Huang, Zhixian Wu, Zhiyu Li, Zhuoshu Zhang, Zhuping Xu, Zian Wang, Zihao Gu, Zihui Zhu, Zijia Li, Zilin Zhang, Zipeng Xie, Ziwei Gao, Ziyi Pan, Zizheng Yao, Zongqing Feng, Bei Li, Hui Cai, J. L. Ni, Jiaqi Xu, Lei Li, Meng Tian, Ning Chen, R. J. Jin, R. L. Li, S. S. Zhou, Shuang Sun, Tianyu Li, X. Q. Jin, Xiangyue Shen, Xiaojin Chen, Xiaosha Song, Xinnan Zhou, Xinyi Zhu, Y. X. Huang, Yanping Li, Yaohui Zheng, Yi Zhu, Yuchen Ma, Yunxian Huang, Zhen Xu, Zhipeng Zhang, Zhongyu Ji, Dongjie Liang, Jian Guo, Jianzhong Chen, Jin Xia, Leyi Wang, Miaojun Li, Mingming Zhang, Peng Chen, Ruyi Sun, Shangmian Wu, Shaoqing Ye, Shengfeng Wang, T. Xiao, W. L. An, Wei Wang, Xianzu Sun, Xiaowen Wang, Xiaoxiang Tang, Ying Zha, Yukun Zhang, Zekai Ju, Zhe Zhang, Zhen Qu, Zihua Computation and Language We introduce DeepSeek-V3.2, a model that harmonizes high computational efficiency with superior reasoning and agent performance. The key technical breakthroughs of DeepSeek-V3.2 are as follows: (1) DeepSeek Sparse Attention (DSA): We introduce DSA, an efficient attention mechanism that substantially reduces computational complexity while preserving model performance in long-context scenarios. (2) Scalable Reinforcement Learning Framework: By implementing a robust reinforcement learning protocol and scaling post-training compute, DeepSeek-V3.2 performs comparably to GPT-5. Notably, our high-compute variant, DeepSeek-V3.2-Speciale, surpasses GPT-5 and exhibits reasoning proficiency on par with Gemini-3.0-Pro, achieving gold-medal performance in both the 2025 International Mathematical Olympiad (IMO) and the International Olympiad in Informatics (IOI). (3) Large-Scale Agentic Task Synthesis Pipeline: To integrate reasoning into tool-use scenarios, we developed a novel synthesis pipeline that systematically generates training data at scale. This methodology facilitates scalable agentic post-training, yielding substantial improvements in generalization and instruction-following robustness within complex, interactive environments. |
| title | DeepSeek-V3.2: Pushing the Frontier of Open Large Language Models |
| topic | Computation and Language |
| url | https://arxiv.org/abs/2512.02556 |