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Main Authors: 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, 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
Format: Preprint
Published: 2025
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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