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Main Authors: Guo, Dong, Wu, Faming, Zhu, Feida, Leng, Fuxing, Shi, Guang, Chen, Haobin, Fan, Haoqi, Wang, Jian, Jiang, Jianyu, Wang, Jiawei, Chen, Jingji, Huang, Jingjia, Lei, Kang, Yuan, Liping, Luo, Lishu, Liu, Pengfei, Ye, Qinghao, Qian, Rui, Yan, Shen, Zhao, Shixiong, Peng, Shuai, Li, Shuangye, Yuan, Sihang, Wu, Sijin, Cheng, Tianheng, Liu, Weiwei, Wang, Wenqian, Zeng, Xianhan, Liu, Xiao, Qin, Xiaobo, Ding, Xiaohan, Xiao, Xiaojun, Zhang, Xiaoying, Zhang, Xuanwei, Xiong, Xuehan, Peng, Yanghua, Chen, Yangrui, Li, Yanwei, Hu, Yanxu, Lin, Yi, Hu, Yiyuan, Zhang, Yiyuan, Wu, Youbin, Li, Yu, Liu, Yudong, Ling, Yue, Qin, Yujia, Wang, Zanbo, He, Zhiwu, Zhang, Aoxue, Yi, Bairen, Liao, Bencheng, Huang, Can, Zhang, Can, Deng, Chaorui, Deng, Chaoyi, Lin, Cheng, Yuan, Cheng, Li, Chenggang, Gou, Chenhui, Lou, Chenwei, Wei, Chengzhi, Liu, Chundian, Li, Chunyuan, Zhu, Deyao, Zhong, Donghong, Li, Feng, Zhang, Feng, Wu, Gang, Li, Guodong, Xiao, Guohong, Lin, Haibin, Yang, Haihua, Wang, Haoming, Ji, Heng, Hao, Hongxiang, Shen, Hui, Li, Huixia, Li, Jiahao, Wu, Jialong, Zhu, Jianhua, Jiao, Jianpeng, Feng, Jiashi, Chen, Jiaze, Duan, Jianhui, Liu, Jihao, Zeng, Jin, Tang, Jingqun, Sun, Jingyu, Chen, Joya, Long, Jun, Feng, Junda, Zhan, Junfeng, Fang, Junjie, Lu, Junting, Hua, Kai, Liu, Kai, Shen, Kai, Zhang, Kaiyuan, Shen, Ke, Wang, Ke, Pan, Keyu, Zhang, Kun, Li, Kunchang, Li, Lanxin, Li, Lei, Shi, Lei, Han, Li, Xiang, Liang, Chen, Liangqiang, Chen, Lin, Li, Lin, Yan, Lin, Chi, Liying, Liu, Longxiang, Du, Mengfei, Wang, Mingxuan, Pan, Ningxin, Chen, Peibin, Chen, Pengfei, Wu, Pengfei, Yuan, Qingqing, Shuai, Qingyao, Tao, Qiuyan, Zheng, Renjie, Zhang, Renrui, Zhang, Ru, Wang, Rui, Yang, Rui, Zhao, Rui, Xu, Shaoqiang, Liang, Shihao, Yan, Shipeng, Zhong, Shu, Cao, Shuaishuai, Wu, Shuangzhi, Liu, Shufan, Chang, Shuhan, Cai, Songhua, Ao, Tenglong, Yang, Tianhao, Zhang, Tingting, Zhong, Wanjun, Jia, Wei, Weng, Wei, Yu, Weihao, Huang, Wenhao, Zhu, Wenjia, Yang, Wenli, Wang, Wenzhi, Long, Xiang, Yin, XiangRui, Li, Xiao, Zhu, Xiaolei, Jia, Xiaoying, Zhang, Xijin, Liu, Xin, Zhang, Xinchen, Yang, Xinyu, Luo, Xiongcai, Chen, Xiuli, Zhong, Xuantong, Xiao, Xuefeng, Li, Xujing, Wu, Yan, Wen, Yawei, Du, Yifan, Zhang, Yihao, Ye, Yining, Wu, Yonghui, Liu, Yu, Yue, Yu, Zhou, Yufeng, Yuan, Yufeng, Xu, Yuhang, Yang, Yuhong, Zhang, Yun, Fang, Yunhao, Li, Yuntao, Ren, Yurui, Xiong, Yuwen, Hong, Zehua, Wang, Zehua, Sun, Zewei, Wang, Zeyu, Cai, Zhao, Zha, Zhaoyue, An, Zhecheng, Zhao, Zhehui, Xu, Zhengzhuo, Chen, Zhipeng, Wu, Zhiyong, Zheng, Zhuofan, Wang, Zihao, Huang, Zilong, Zhu, Ziyu, Song, Zuquan
Format: Preprint
Published: 2025
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Online Access:https://arxiv.org/abs/2505.07062
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author Guo, Dong
Wu, Faming
Zhu, Feida
Leng, Fuxing
Shi, Guang
Chen, Haobin
Fan, Haoqi
Wang, Jian
Jiang, Jianyu
Wang, Jiawei
Chen, Jingji
Huang, Jingjia
Lei, Kang
Yuan, Liping
Luo, Lishu
Liu, Pengfei
Ye, Qinghao
Qian, Rui
Yan, Shen
Zhao, Shixiong
Peng, Shuai
Li, Shuangye
Yuan, Sihang
Wu, Sijin
Cheng, Tianheng
Liu, Weiwei
Wang, Wenqian
Zeng, Xianhan
Liu, Xiao
Qin, Xiaobo
Ding, Xiaohan
Xiao, Xiaojun
Zhang, Xiaoying
Zhang, Xuanwei
Xiong, Xuehan
Peng, Yanghua
Chen, Yangrui
Li, Yanwei
Hu, Yanxu
Lin, Yi
Hu, Yiyuan
Zhang, Yiyuan
Wu, Youbin
Li, Yu
Liu, Yudong
Ling, Yue
Qin, Yujia
Wang, Zanbo
He, Zhiwu
Zhang, Aoxue
Yi, Bairen
Liao, Bencheng
Huang, Can
Zhang, Can
Deng, Chaorui
Deng, Chaoyi
Lin, Cheng
Yuan, Cheng
Li, Chenggang
Gou, Chenhui
Lou, Chenwei
Wei, Chengzhi
Liu, Chundian
Li, Chunyuan
Zhu, Deyao
Zhong, Donghong
Li, Feng
Zhang, Feng
Wu, Gang
Li, Guodong
Xiao, Guohong
Lin, Haibin
Yang, Haihua
Wang, Haoming
Ji, Heng
Hao, Hongxiang
Shen, Hui
Li, Huixia
Li, Jiahao
Wu, Jialong
Zhu, Jianhua
Jiao, Jianpeng
Feng, Jiashi
Chen, Jiaze
Duan, Jianhui
Liu, Jihao
Zeng, Jin
Tang, Jingqun
Sun, Jingyu
Chen, Joya
Long, Jun
Feng, Junda
Zhan, Junfeng
Fang, Junjie
Lu, Junting
Hua, Kai
Liu, Kai
Shen, Kai
Zhang, Kaiyuan
Shen, Ke
Wang, Ke
Pan, Keyu
Zhang, Kun
Li, Kunchang
Li, Lanxin
Li, Lei
Shi, Lei
Han, Li
Xiang, Liang
Chen, Liangqiang
Chen, Lin
Li, Lin
Yan, Lin
Chi, Liying
Liu, Longxiang
Du, Mengfei
Wang, Mingxuan
Pan, Ningxin
Chen, Peibin
Chen, Pengfei
Wu, Pengfei
Yuan, Qingqing
Shuai, Qingyao
Tao, Qiuyan
Zheng, Renjie
Zhang, Renrui
Zhang, Ru
Wang, Rui
Yang, Rui
Zhao, Rui
Xu, Shaoqiang
Liang, Shihao
Yan, Shipeng
Zhong, Shu
Cao, Shuaishuai
Wu, Shuangzhi
Liu, Shufan
Chang, Shuhan
Cai, Songhua
Ao, Tenglong
Yang, Tianhao
Zhang, Tingting
Zhong, Wanjun
Jia, Wei
Weng, Wei
Yu, Weihao
Huang, Wenhao
Zhu, Wenjia
Yang, Wenli
Wang, Wenzhi
Long, Xiang
Yin, XiangRui
Li, Xiao
Zhu, Xiaolei
Jia, Xiaoying
Zhang, Xijin
Liu, Xin
Zhang, Xinchen
Yang, Xinyu
Luo, Xiongcai
Chen, Xiuli
Zhong, Xuantong
Xiao, Xuefeng
Li, Xujing
Wu, Yan
Wen, Yawei
Du, Yifan
Zhang, Yihao
Ye, Yining
Wu, Yonghui
Liu, Yu
Yue, Yu
Zhou, Yufeng
Yuan, Yufeng
Xu, Yuhang
Yang, Yuhong
Zhang, Yun
Fang, Yunhao
Li, Yuntao
Ren, Yurui
Xiong, Yuwen
Hong, Zehua
Wang, Zehua
Sun, Zewei
Wang, Zeyu
Cai, Zhao
Zha, Zhaoyue
An, Zhecheng
Zhao, Zhehui
Xu, Zhengzhuo
Chen, Zhipeng
Wu, Zhiyong
Zheng, Zhuofan
Wang, Zihao
Huang, Zilong
Zhu, Ziyu
Song, Zuquan
author_facet Guo, Dong
Wu, Faming
Zhu, Feida
Leng, Fuxing
Shi, Guang
Chen, Haobin
Fan, Haoqi
Wang, Jian
Jiang, Jianyu
Wang, Jiawei
Chen, Jingji
Huang, Jingjia
Lei, Kang
Yuan, Liping
Luo, Lishu
Liu, Pengfei
Ye, Qinghao
Qian, Rui
Yan, Shen
Zhao, Shixiong
Peng, Shuai
Li, Shuangye
Yuan, Sihang
Wu, Sijin
Cheng, Tianheng
Liu, Weiwei
Wang, Wenqian
Zeng, Xianhan
Liu, Xiao
Qin, Xiaobo
Ding, Xiaohan
Xiao, Xiaojun
Zhang, Xiaoying
Zhang, Xuanwei
Xiong, Xuehan
Peng, Yanghua
Chen, Yangrui
Li, Yanwei
Hu, Yanxu
Lin, Yi
Hu, Yiyuan
Zhang, Yiyuan
Wu, Youbin
Li, Yu
Liu, Yudong
Ling, Yue
Qin, Yujia
Wang, Zanbo
He, Zhiwu
Zhang, Aoxue
Yi, Bairen
Liao, Bencheng
Huang, Can
Zhang, Can
Deng, Chaorui
Deng, Chaoyi
Lin, Cheng
Yuan, Cheng
Li, Chenggang
Gou, Chenhui
Lou, Chenwei
Wei, Chengzhi
Liu, Chundian
Li, Chunyuan
Zhu, Deyao
Zhong, Donghong
Li, Feng
Zhang, Feng
Wu, Gang
Li, Guodong
Xiao, Guohong
Lin, Haibin
Yang, Haihua
Wang, Haoming
Ji, Heng
Hao, Hongxiang
Shen, Hui
Li, Huixia
Li, Jiahao
Wu, Jialong
Zhu, Jianhua
Jiao, Jianpeng
Feng, Jiashi
Chen, Jiaze
Duan, Jianhui
Liu, Jihao
Zeng, Jin
Tang, Jingqun
Sun, Jingyu
Chen, Joya
Long, Jun
Feng, Junda
Zhan, Junfeng
Fang, Junjie
Lu, Junting
Hua, Kai
Liu, Kai
Shen, Kai
Zhang, Kaiyuan
Shen, Ke
Wang, Ke
Pan, Keyu
Zhang, Kun
Li, Kunchang
Li, Lanxin
Li, Lei
Shi, Lei
Han, Li
Xiang, Liang
Chen, Liangqiang
Chen, Lin
Li, Lin
Yan, Lin
Chi, Liying
Liu, Longxiang
Du, Mengfei
Wang, Mingxuan
Pan, Ningxin
Chen, Peibin
Chen, Pengfei
Wu, Pengfei
Yuan, Qingqing
Shuai, Qingyao
Tao, Qiuyan
Zheng, Renjie
Zhang, Renrui
Zhang, Ru
Wang, Rui
Yang, Rui
Zhao, Rui
Xu, Shaoqiang
Liang, Shihao
Yan, Shipeng
Zhong, Shu
Cao, Shuaishuai
Wu, Shuangzhi
Liu, Shufan
Chang, Shuhan
Cai, Songhua
Ao, Tenglong
Yang, Tianhao
Zhang, Tingting
Zhong, Wanjun
Jia, Wei
Weng, Wei
Yu, Weihao
Huang, Wenhao
Zhu, Wenjia
Yang, Wenli
Wang, Wenzhi
Long, Xiang
Yin, XiangRui
Li, Xiao
Zhu, Xiaolei
Jia, Xiaoying
Zhang, Xijin
Liu, Xin
Zhang, Xinchen
Yang, Xinyu
Luo, Xiongcai
Chen, Xiuli
Zhong, Xuantong
Xiao, Xuefeng
Li, Xujing
Wu, Yan
Wen, Yawei
Du, Yifan
Zhang, Yihao
Ye, Yining
Wu, Yonghui
Liu, Yu
Yue, Yu
Zhou, Yufeng
Yuan, Yufeng
Xu, Yuhang
Yang, Yuhong
Zhang, Yun
Fang, Yunhao
Li, Yuntao
Ren, Yurui
Xiong, Yuwen
Hong, Zehua
Wang, Zehua
Sun, Zewei
Wang, Zeyu
Cai, Zhao
Zha, Zhaoyue
An, Zhecheng
Zhao, Zhehui
Xu, Zhengzhuo
Chen, Zhipeng
Wu, Zhiyong
Zheng, Zhuofan
Wang, Zihao
Huang, Zilong
Zhu, Ziyu
Song, Zuquan
contents We present Seed1.5-VL, a vision-language foundation model designed to advance general-purpose multimodal understanding and reasoning. Seed1.5-VL is composed with a 532M-parameter vision encoder and a Mixture-of-Experts (MoE) LLM of 20B active parameters. Despite its relatively compact architecture, it delivers strong performance across a wide spectrum of public VLM benchmarks and internal evaluation suites, achieving the state-of-the-art performance on 38 out of 60 public benchmarks. Moreover, in agent-centric tasks such as GUI control and gameplay, Seed1.5-VL outperforms leading multimodal systems, including OpenAI CUA and Claude 3.7. Beyond visual and video understanding, it also demonstrates strong reasoning abilities, making it particularly effective for multimodal reasoning challenges such as visual puzzles. We believe these capabilities will empower broader applications across diverse tasks. In this report, we mainly provide a comprehensive review of our experiences in building Seed1.5-VL across model design, data construction, and training at various stages, hoping that this report can inspire further research. Seed1.5-VL is now accessible at https://www.volcengine.com/ (Volcano Engine Model ID: doubao-1-5-thinking-vision-pro-250428)
format Preprint
id arxiv_https___arxiv_org_abs_2505_07062
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Seed1.5-VL Technical Report
Guo, Dong
Wu, Faming
Zhu, Feida
Leng, Fuxing
Shi, Guang
Chen, Haobin
Fan, Haoqi
Wang, Jian
Jiang, Jianyu
Wang, Jiawei
Chen, Jingji
Huang, Jingjia
Lei, Kang
Yuan, Liping
Luo, Lishu
Liu, Pengfei
Ye, Qinghao
Qian, Rui
Yan, Shen
Zhao, Shixiong
Peng, Shuai
Li, Shuangye
Yuan, Sihang
Wu, Sijin
Cheng, Tianheng
Liu, Weiwei
Wang, Wenqian
Zeng, Xianhan
Liu, Xiao
Qin, Xiaobo
Ding, Xiaohan
Xiao, Xiaojun
Zhang, Xiaoying
Zhang, Xuanwei
Xiong, Xuehan
Peng, Yanghua
Chen, Yangrui
Li, Yanwei
Hu, Yanxu
Lin, Yi
Hu, Yiyuan
Zhang, Yiyuan
Wu, Youbin
Li, Yu
Liu, Yudong
Ling, Yue
Qin, Yujia
Wang, Zanbo
He, Zhiwu
Zhang, Aoxue
Yi, Bairen
Liao, Bencheng
Huang, Can
Zhang, Can
Deng, Chaorui
Deng, Chaoyi
Lin, Cheng
Yuan, Cheng
Li, Chenggang
Gou, Chenhui
Lou, Chenwei
Wei, Chengzhi
Liu, Chundian
Li, Chunyuan
Zhu, Deyao
Zhong, Donghong
Li, Feng
Zhang, Feng
Wu, Gang
Li, Guodong
Xiao, Guohong
Lin, Haibin
Yang, Haihua
Wang, Haoming
Ji, Heng
Hao, Hongxiang
Shen, Hui
Li, Huixia
Li, Jiahao
Wu, Jialong
Zhu, Jianhua
Jiao, Jianpeng
Feng, Jiashi
Chen, Jiaze
Duan, Jianhui
Liu, Jihao
Zeng, Jin
Tang, Jingqun
Sun, Jingyu
Chen, Joya
Long, Jun
Feng, Junda
Zhan, Junfeng
Fang, Junjie
Lu, Junting
Hua, Kai
Liu, Kai
Shen, Kai
Zhang, Kaiyuan
Shen, Ke
Wang, Ke
Pan, Keyu
Zhang, Kun
Li, Kunchang
Li, Lanxin
Li, Lei
Shi, Lei
Han, Li
Xiang, Liang
Chen, Liangqiang
Chen, Lin
Li, Lin
Yan, Lin
Chi, Liying
Liu, Longxiang
Du, Mengfei
Wang, Mingxuan
Pan, Ningxin
Chen, Peibin
Chen, Pengfei
Wu, Pengfei
Yuan, Qingqing
Shuai, Qingyao
Tao, Qiuyan
Zheng, Renjie
Zhang, Renrui
Zhang, Ru
Wang, Rui
Yang, Rui
Zhao, Rui
Xu, Shaoqiang
Liang, Shihao
Yan, Shipeng
Zhong, Shu
Cao, Shuaishuai
Wu, Shuangzhi
Liu, Shufan
Chang, Shuhan
Cai, Songhua
Ao, Tenglong
Yang, Tianhao
Zhang, Tingting
Zhong, Wanjun
Jia, Wei
Weng, Wei
Yu, Weihao
Huang, Wenhao
Zhu, Wenjia
Yang, Wenli
Wang, Wenzhi
Long, Xiang
Yin, XiangRui
Li, Xiao
Zhu, Xiaolei
Jia, Xiaoying
Zhang, Xijin
Liu, Xin
Zhang, Xinchen
Yang, Xinyu
Luo, Xiongcai
Chen, Xiuli
Zhong, Xuantong
Xiao, Xuefeng
Li, Xujing
Wu, Yan
Wen, Yawei
Du, Yifan
Zhang, Yihao
Ye, Yining
Wu, Yonghui
Liu, Yu
Yue, Yu
Zhou, Yufeng
Yuan, Yufeng
Xu, Yuhang
Yang, Yuhong
Zhang, Yun
Fang, Yunhao
Li, Yuntao
Ren, Yurui
Xiong, Yuwen
Hong, Zehua
Wang, Zehua
Sun, Zewei
Wang, Zeyu
Cai, Zhao
Zha, Zhaoyue
An, Zhecheng
Zhao, Zhehui
Xu, Zhengzhuo
Chen, Zhipeng
Wu, Zhiyong
Zheng, Zhuofan
Wang, Zihao
Huang, Zilong
Zhu, Ziyu
Song, Zuquan
Computer Vision and Pattern Recognition
Artificial Intelligence
We present Seed1.5-VL, a vision-language foundation model designed to advance general-purpose multimodal understanding and reasoning. Seed1.5-VL is composed with a 532M-parameter vision encoder and a Mixture-of-Experts (MoE) LLM of 20B active parameters. Despite its relatively compact architecture, it delivers strong performance across a wide spectrum of public VLM benchmarks and internal evaluation suites, achieving the state-of-the-art performance on 38 out of 60 public benchmarks. Moreover, in agent-centric tasks such as GUI control and gameplay, Seed1.5-VL outperforms leading multimodal systems, including OpenAI CUA and Claude 3.7. Beyond visual and video understanding, it also demonstrates strong reasoning abilities, making it particularly effective for multimodal reasoning challenges such as visual puzzles. We believe these capabilities will empower broader applications across diverse tasks. In this report, we mainly provide a comprehensive review of our experiences in building Seed1.5-VL across model design, data construction, and training at various stages, hoping that this report can inspire further research. Seed1.5-VL is now accessible at https://www.volcengine.com/ (Volcano Engine Model ID: doubao-1-5-thinking-vision-pro-250428)
title Seed1.5-VL Technical Report
topic Computer Vision and Pattern Recognition
Artificial Intelligence
url https://arxiv.org/abs/2505.07062