Diao, Haiwen, Wang, Jiahao, Ding, Chenjing, Deng, Hanming, Chen, Jiangnan, Zhang, Ruixi, Wang, Ruohui, Tong, Wenwen, Fan, Xiangyu, Wang, Yubo, Zhu, Yue, Niu, Yuwei, Bai, Zhengqi, Lin, Zhiqian, Yang, Zhitao, Cai, Zhongang, Yang, Bo, Feng, Chen, Lv, Chengguang, Liu, Guangjia, Wang, Guanlin, Zhang, Hanyu, Yu, Haojia, Xiao, Hongcan, Wang, Hongli, Wu, Huan, Zhong, Huaping, Fang, Jian, Fan, Jianan, Li, Jiaqi, Lu, Jiefan, Zuo, Jing, Ni, Jingcheng, Xu, Junxiang, Dai, Linjun, Xu, Mutian, Yan, Peishen, Wu, Penghao, Mao, Ruijie, Wang, Ruisi, Bai, Shihao, Yang, Shuang, Yang, Shuya, Zheng, Shuyan, Wu, Silei, Li, Siying, Chu, Tao, Zhong, Tianbo, Zhou, Tongxi, Luo, Weichao, Fan, Weichen, Jia, Wenhao, Gao, Wenjie, Kong, Xiangli, Li, Yan, Yong, Yang, Wen, Zimo, Qian, Zixuan, Sun, Wenxiu, Gong, Ruihao, Wang, Quan, Lu, Lewei, Yang, Lei, Liu, Ziwei, Lin, Dahua
Abstract
We launch SenseNova-U1.5, an 8B-MoT native unified multimodal model that understands, reasons about, and generates visual content within an encoder-free and VAE-free architecture. We strengthen its visual interface through spatially coherent patch reconstruction and scale its training with carefully curated generation and editing data, improved task formulation, structural prompt enhancement, and native resolutions of up to 4K. For post-training, we optimize specialized experts for visual aesthetics, bilingual text rendering, infographic generation, and image editing, and consolidate their capabilities through multi-expert on-policy distillation. Across extensive evaluations, SenseNova-U1.5 largely advances image fidelity, text rendering, complex composition, multi-reference editing, and interleaved generation, while improving instruction following and preserving subject identity, geometry, and unmodified regions. Despite limited exposure to structured formats in its generation data, SenseNova-U1.5 generalizes effectively to long, complex, and structured visual instructions, further proving that multimodal understanding can transfer to visual planning and creation. Together, these findings position native unified modelling as a promising path towards systems that perceive, reason and create within a fully end-to-end framework. We will open-source training code, including supervised fine-tuning, reinforcement learning, and on-policy distillation.
Chinese Translation
我们推出了SenseNova-U1.5,这是一个8B-MoT原生统一多模态模型,能够理解、推理和生成视觉内容,采用无编码器和无变分自编码器(VAE)的架构。我们通过空间一致的补丁重建增强了其视觉接口,并通过精心策划的生成和编辑数据、改进的任务表述、结构化提示增强以及高达4K的原生分辨率来扩大其训练规模。在后训练阶段,我们为视觉美学、双语文本渲染、信息图生成和图像编辑优化了专门的专家,并通过多专家在线蒸馏整合了它们的能力。在广泛的评估中,SenseNova-U1.5在图像保真度、文本渲染、复杂构图、多参考编辑和交错生成方面取得了显著进展,同时改善了指令遵循,并保持了主题身份、几何形状和未修改区域。尽管在其生成数据中对结构化格式的接触有限,SenseNova-U1.5仍能有效地推广到长篇、复杂和结构化的视觉指令,进一步证明了多模态理解能够转移到视觉规划和创作中。这些发现共同将原生统一建模定位为朝向能够在完全端到端框架内感知、推理和创造的系统的有前景的路径。我们将开源训练代码,包括监督微调、强化学习和在线蒸馏。