Pei Chu
2026
MinerU2.5: A Decoupled Vision-Language Model for Efficient High-Resolution Document Parsing
Junbo Niu | Zheng Liu | Zhuangcheng Gu | Bin Wang | Linke Ouyang | Zhiyuan Zhao | Tao Chu | Tianyao He | Fan Wu | Qintong Zhang | Zhenjiang Jin | Guang Liang | Rui Zhang | Wenzheng Zhang | Yuan Qu | Zhifei Ren | Yuefeng Sun | Zirui Tang | Boyu Niu | Yuanhong Zheng | Dongsheng Ma | Ziyang Miao | Hejun Dong | Siyi Qian | Junyuan Zhang | Fangdong Wang | Jingzhou Chen | Xiaomeng Zhao | Liqun Wei | Wei Li | Shasha Wang | RuiLiang Xu | Yuanyuan Cao | Lu Chen | Qianqian Wu | Huaiyu Gu | Lindong Lu | Dechen Lin | Shenguanlin | Xuanhe Zhou | Linfeng Zhang | Yuhang Zang | Xiaoyi Dong | Jiaqi Wang | Bo Zhang | Lei Bai | Pei Chu | Weijia Li | Jiang Wu | Lijun Wu | Zhenxiang Li | Guangyu Wang | Zhongying Tu | Chao Xu | Kai Chen | Bowen Zhou | Dahua Lin | Wentao Zhang | Conghui He
Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (ACL 2026)
Junbo Niu | Zheng Liu | Zhuangcheng Gu | Bin Wang | Linke Ouyang | Zhiyuan Zhao | Tao Chu | Tianyao He | Fan Wu | Qintong Zhang | Zhenjiang Jin | Guang Liang | Rui Zhang | Wenzheng Zhang | Yuan Qu | Zhifei Ren | Yuefeng Sun | Zirui Tang | Boyu Niu | Yuanhong Zheng | Dongsheng Ma | Ziyang Miao | Hejun Dong | Siyi Qian | Junyuan Zhang | Fangdong Wang | Jingzhou Chen | Xiaomeng Zhao | Liqun Wei | Wei Li | Shasha Wang | RuiLiang Xu | Yuanyuan Cao | Lu Chen | Qianqian Wu | Huaiyu Gu | Lindong Lu | Dechen Lin | Shenguanlin | Xuanhe Zhou | Linfeng Zhang | Yuhang Zang | Xiaoyi Dong | Jiaqi Wang | Bo Zhang | Lei Bai | Pei Chu | Weijia Li | Jiang Wu | Lijun Wu | Zhenxiang Li | Guangyu Wang | Zhongying Tu | Chao Xu | Kai Chen | Bowen Zhou | Dahua Lin | Wentao Zhang | Conghui He
Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (ACL 2026)
We introduce MinerU2.5, a 1.2B-parameter document parsing vision-language model that achieves state-of-the-art recognition accuracy while maintaining exceptional computational efficiency. Our approach employs a coarse-to-fine, two-stage parsing strategy that decouples global layout analysis from local content recognition. In the first stage, the model performs efficient layout analysis on downsampled images to identify structural elements, circumventing the computational overhead of processing high-resolution inputs. In the second stage, guided by the global layout, it performs targeted content recognition on native-resolution crops extracted from the original image, preserving fine-grained details in dense text, complex formulas, and tables. To support this strategy, we developed a comprehensive data engine that generates diverse, large-scale training corpora for both pretraining and fine-tuning. Ultimately, MinerU2.5 demonstrates strong document parsing ability, achieving state-of-the-art performance on multiple benchmarks, surpassing both general-purpose and domain-specific models across various recognition tasks, while maintaining significantly lower computational overhead.
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- Lei Bai 1
- Yuanyuan Cao 1
- Jingzhou Chen 1
- Kai Chen 1
- Lu Chen 1
- Tao Chu 1
- Hejun Dong 1
- Xiaoyi Dong 1
- Huaiyu Gu 1
- Zhuangcheng Gu 1
- Conghui He 1
- Tianyao He 1
- Zhenjiang Jin 1
- Wei Li 1
- Weijia Li 1
- Zhenxiang Li 1
- Guang Liang 1
- Dahua Lin 1
- Dechen Lin 1
- Zheng Liu 1
- Lindong Lu 1
- Dongsheng Ma 1
- Ziyang Miao 1
- Boyu Niu 1
- Junbo Niu 1
- Linke Ouyang 1
- Siyi Qian 1
- Yuan Qu 1
- Zhifei Ren 1
- Shenguanlin 1
- Yuefeng Sun 1
- Zirui Tang 1
- Zhongying Tu 1
- Bin Wang 1
- Fangdong Wang 1
- Guangyu Wang 1
- Jiaqi Wang 1
- Shasha Wang 1
- Liqun Wei 1
- Fan Wu 1
- Jiang Wu 1
- Lijun Wu 1
- Qianqian Wu 1
- Chao Xu 1
- RuiLiang Xu 1
- Yuhang Zang 1
- Bo Zhang 1
- Junyuan Zhang 1
- Linfeng Zhang 1
- Qintong Zhang 1
- Rui Zhang 1
- Wentao Zhang 1
- Wenzheng Zhang 1
- Xiaomeng Zhao 1
- Zhiyuan Zhao 1
- Yuanhong Zheng 1
- Bowen Zhou 1
- Xuanhe Zhou 1
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