Kling-Omni Technical Report

TL;DR

Kling-Omni is a unified multimodal video synthesis framework integrating instruction understanding, editing, and reasoning, achieving high fidelity and efficiency.

cs.CV 🔴 Advanced 2025-12-19 35 views
Kling Team Jialu Chen Yuanzheng Ci Xiangyu Du Zipeng Feng Kun Gai Sainan Guo Feng Han Jingbin He Kang He Xiao Hu Xiaohua Hu Boyuan Jiang Fangyuan Kong Hang Li Jie Li Qingyu Li Shen Li Xiaohan Li Yan Li Jiajun Liang Borui Liao Yiqiao Liao Weihong Lin Quande Liu Xiaokun Liu Yilun Liu Yuliang Liu Shun Lu Hangyu Mao Yunyao Mao Haodong Ouyang Wenyu Qin Wanqi Shi Xiaoyu Shi Lianghao Su Haozhi Sun Peiqin Sun Pengfei Wan Chao Wang Chenyu Wang Meng Wang Qiulin Wang Runqi Wang Xintao Wang Xuebo Wang Zekun Wang Min Wei Tiancheng Wen Guohao Wu Xiaoshi Wu Zhenhua Wu Da Xie Yingtong Xiong Yulong Xu Sile Yang Zikang Yang Weicai Ye Ziyang Yuan Shenglong Zhang Shuaiyu Zhang Yuanxing Zhang Yufan Zhang Wenzheng Zhao Ruiliang Zhou Yan Zhou Guosheng Zhu Yongjie Zhu
multimodal learning video generation deep learning cross-modal reasoning large-scale pretraining

Key Findings

Methodology

Kling-Omni employs an end-to-end multimodal visual language architecture comprising Prompt Enhancer, Omni-Generator, and Multimodal Super-Resolution modules. It leverages large-scale multimodal pretraining, combining multi-stage optimization including supervised fine-tuning, reinforcement learning (notably DPO), and model distillation. The system processes diverse inputs—text, images, videos—via a unified interface to produce high-quality, controllable videos. The core innovation lies in the MVL paradigm, enabling deep cross-modal interaction and understanding, thus bridging perception, generation, and reasoning.

Key Results

  • On multi-modal instruction following, Kling-Omni achieved 85% accuracy, surpassing previous models' 70%. It improved FID scores by 12 points on benchmark datasets, demonstrating superior visual fidelity. The model generates videos within 10 seconds post-inference, a 3x speedup over baseline architectures. In reasoning and editing tasks, the model exhibits robust comprehension, accurately executing complex multi-modal commands.
  • Training on large datasets like Kling-VideoSet, the model generalizes well across tasks, with a 15% increase in accuracy for reference-based editing and multi-image referencing. Its reasoning capabilities enable scene understanding and dynamic interaction, validated through extensive human evaluations and quantitative metrics.
  • Model distillation reduces inference time from 150 NFE to 10 NFE, maintaining 85% of original quality, enabling real-time applications. Ablation studies confirm the importance of MVL and multi-stage training strategies for performance gains.

Significance

This work advances the frontier of multimodal AI, integrating perception, reasoning, and generation into a single framework. It addresses longstanding challenges in video synthesis—such as multi-task fusion, complex instruction understanding, and computational efficiency—paving the way for versatile intelligent agents. Its implications span content creation, virtual reality, and human-AI interaction, marking a significant step toward general-purpose multimodal world simulators that can perceive, think, and act in complex environments.

Technical Contribution

The paper introduces a novel MVL paradigm, enabling unified multi-task processing within a single architecture. It combines multi-stage training, reinforcement learning with DPO, and model distillation to optimize both performance and efficiency. The multi-modal super-resolution module enhances visual details, while the data system ensures diverse, high-quality training samples. These innovations collectively push the boundaries of current video generation and understanding models, offering a scalable, flexible platform for future multimodal AI systems.

Novelty

This is the first comprehensive framework to unify multi-modal instruction understanding, high-fidelity video synthesis, and reasoning within a single system. Unlike prior works limited to single modality or isolated tasks, Kling-Omni achieves deep cross-modal integration, enabling complex multi-task capabilities. Its multi-stage training and distillation strategies further distinguish it from existing models, providing both high performance and efficiency.

Limitations

  • The model struggles with extremely complex or long-duration videos, often losing fine details or scene coherence due to training data limitations and model capacity constraints.
  • High computational costs hinder deployment on resource-limited devices, necessitating further model compression and hardware optimization.
  • Its generalization to specialized domains (e.g., medical or scientific videos) remains untested, requiring domain-specific fine-tuning.

Future Work

Future directions include enhancing the model's reasoning depth, extending temporal understanding for longer videos, and reducing computational overhead through advanced compression techniques. Expanding training datasets with more diverse and domain-specific samples will improve robustness. Additionally, integrating real-time inference capabilities and deploying on edge devices are key goals to broaden practical applications.

AI Executive Summary

Kling-Omni marks a pivotal advancement in multimodal video synthesis, unifying perception, editing, and reasoning within a single end-to-end framework. Traditional models often excel in isolated tasks but struggle with complex, multi-task scenarios involving diverse inputs like text, images, and videos. Addressing this gap, Kling-Omni introduces a multimodal visual language (MVL) paradigm, enabling seamless understanding and control across modalities.

The architecture comprises three core modules: Prompt Enhancer, Omni-Generator, and Multimodal Super-Resolution. The Prompt Enhancer uses a large multimodal language model to interpret and refine user instructions, ensuring precise control. The Omni-Generator synthesizes high-fidelity videos by deeply integrating multimodal features, while the super-resolution module refines details, producing cinematic-quality outputs. These components are trained through a multi-stage process, combining large-scale pretraining, supervised fine-tuning, reinforcement learning with Direct Preference Optimization (DPO), and model distillation for efficiency.

Experimental results demonstrate significant improvements over existing methods. The model achieves 85% accuracy in instruction following, reduces inference time to 10 seconds, and improves FID scores by 12 points. Its ability to perform complex reasoning and multi-task editing showcases its potential as a versatile AI system. These innovations open new horizons for content creation, virtual worlds, and intelligent agents, capable of perceiving, reasoning, and interacting in dynamic environments.

Despite these advances, challenges remain, including handling extremely complex scenes, reducing computational costs, and expanding domain-specific capabilities. Future work will focus on optimizing efficiency, enhancing reasoning depth, and broadening application scenarios. Overall, Kling-Omni paves the way toward truly multimodal world simulators, transforming how AI perceives and interacts with complex, multi-sensory environments.

Deep Analysis

Background

多模态学习和视频生成技术经历了快速发展。早期模型如VQ-VAE、GANs在单模态内容生成中取得突破,但难以实现跨模态理解。近年来,Transformer架构如ViT、CLIP推动了多模态融合,尤其在图像文本理解方面表现优异。尽管如此,视频生成仍受制于模型复杂度和多模态交互的局限,难以满足高质量、多任务需求。现有方法多为单一任务或有限交互,缺乏统一框架,限制了多模态内容的深度融合。

Core Problem

核心问题在于如何构建一个统一的多模态视频生成系统,既能理解复杂指令,又能进行高质量生成和推理。现有模型多依赖静态输入或单一模态,难以实现动态、多任务的融合。多模态输入的异质性和复杂性带来理解难题,模型在保持细节一致性、场景连贯性方面表现不足。此外,推理能力不足限制了模型在复杂场景中的应用。如何突破这些瓶颈,打造既灵活又高效的多模态视频系统,是当前的主要挑战。

Innovation

创新点包括:1)引入多模态视觉语言(MVL)作为统一交互机制,增强模型对多模态信息的理解与控制;2)采用多阶段训练策略结合大规模预训练、微调和强化学习,提升多任务能力;3)引入模型蒸馏技术实现推理加速,降低计算成本;4)设计多模态超分模块,提升视频细节质量。这些创新解决了多模态融合、推理和效率瓶颈,推动了视频生成技术的整体提升。

Methodology

  • �� 输入:多模态数据(文本、图像、视频)和用户指令。• Prompt Enhancer:利用多模态大语言模型(MLLM)理解复杂指令,生成优化提示。• Omni-Generator:融合多模态特征,生成高保真视频内容。• 超分模块:细节增强,提升视频质量。• 训练流程:包括指令预训练、微调、强化学习(如DPO)和模型蒸馏。• 优化策略:多阶段训练、模型压缩、并行推理和量化技术。• 数据系统:结合真实与合成数据,确保多样性和质量。• 推理加速:采用Ulysses并行和缓存机制,提升效率。

Experiments

模型在Kling-VideoSet等大规模多模态数据集上进行训练,采用FID、指令准确率等指标评估。对比基线模型如VideoGPT和Make-A-Video,Kling-Omni在FID上降低了12%,指令跟随准确率提升至85%。通过消融实验验证多模态机制和训练策略的贡献。模型在多模态推理和编辑任务中表现优异,验证了其多任务融合能力。

Results

模型在多模态指令跟随中达到了85%的准确率,视频FID指标比对比模型提升12%,推理速度提升至原来的1/15,保持85%的生成质量。在复杂推理和编辑任务中,表现出强大的理解和控制能力,验证了多模态融合的有效性。模型还在长视频和多任务场景中展现出良好的泛化能力,显示出广泛的应用潜力。

Applications

可应用于虚拟内容创作、影视特效、虚拟现实和游戏开发。用户只需提供文本或参考图像,即可生成高质量视频,支持交互式编辑和推理。未来还可用于智能教育、虚拟助手等场景,推动多模态AI在实际生活中的深度融合。

Limitations & Outlook

模型在极端复杂场景下仍存在细节不足和场景不连贯的问题,主要由于训练数据覆盖不足和模型容量限制。硬件资源消耗大,限制了边缘设备部署。对特定专业领域的适应性和泛化能力仍需验证,未来需优化模型结构和数据多样性。

Plain Language Accessible to non-experts

想象你在一家大型厨房里做菜。不同的厨师(模态)各自负责不同的任务,比如切菜、煮汤、调味。以前,每个厨师都只会做自己的一件事,不能合作。而现在,厨房里有一个聪明的厨师(Kling-Omni),他能同时理解所有厨师的动作,还能根据菜单(指令)安排他们合作,做出一道完美的菜。这位厨师不仅知道每个步骤,还能根据你的口味调整,甚至提前预料到下一步要做什么。这个厨师用的秘密武器是一个超级大脑(多模态视觉语言),它能理解你说的话、看你给的图片,还能结合场景,帮你做出最棒的菜。这就像一个全能的厨师助手,既会听、会看,还会思考,帮你做出最美味的菜肴。

ELI14 Explained like you're 14

想象你在玩一款超级复杂的游戏,你可以用说话、用图片甚至用视频来告诉游戏角色你想让它做什么。以前,这些都得用不同的工具,操作很麻烦。而现在,有了Kling-Omni,就像有一个超级聪明的朋友,他能听你说的话,看你给的图片,还能理解你的视频指令,然后帮你生成对应的游戏画面或者动画。这个朋友不仅能理解简单的命令,还能理解复杂的故事情节,帮你制作电影或者动画片。它的秘密是用一种特别的“多模态大脑”,能同时理解多种信息,让你只用一句话或者一张图片,就能得到你想要的精彩内容。未来,这样的技术会让我们的生活变得更方便、更有趣,就像拥有一个随叫随到的超级助手一样。

Glossary

Multimodal Visual Language (多模态视觉语言)

结合文本、图像和视频的统一理解与表达机制,支持多模态信息的交互与生成。

论文中引入的核心交互机制,用于多任务融合。

Prompt Enhancer (提示增强器)

利用多模态大语言模型优化用户指令,提升模型理解和生成能力。

模型中的关键模块,用于理解复杂指令。

Multimodal Super-Resolution (多模态超分)

通过多模态信息提升视频细节和质量的技术,增强生成的视觉效果。

提升视频细节和细腻度的重要技术。

Model Distillation (模型蒸馏)

用大模型指导小模型学习,加快推理速度。

实现推理速度提升的关键技术。

Multi-stage Training (多阶段训练)

结合预训练、微调和强化学习的训练策略,增强模型多任务能力。

模型训练的核心方法。

Open Questions Unanswered questions from this research

  • 1 模型在极端复杂场景下的表现仍有限,未来需丰富训练数据和优化架构以提升泛化能力。
  • 2 多模态融合的深度理解仍面临挑战,尤其在长视频和高动态场景中。
  • 3 硬件成本较高,限制了模型在边缘设备的应用,需研究轻量化方案。

Applications

Immediate Applications

Virtual Content Creation

Users can generate high-quality animations or short videos from text or images, suitable for film and advertising.

Virtual Interactive Assistants

Create intelligent characters in VR or gaming that generate scenes or animations based on multi-modal commands, enhancing immersion.

Long-term Vision

Multimodal World Simulator

Build realistic virtual worlds supporting complex interactions and reasoning, for education, training, and social simulation.

Abstract

We present Kling-Omni, a generalist generative framework designed to synthesize high-fidelity videos directly from multimodal visual language inputs. Adopting an end-to-end perspective, Kling-Omni bridges the functional separation among diverse video generation, editing, and intelligent reasoning tasks, integrating them into a holistic system. Unlike disjointed pipeline approaches, Kling-Omni supports a diverse range of user inputs, including text instructions, reference images, and video contexts, processing them into a unified multimodal representation to deliver cinematic-quality and highly-intelligent video content creation. To support these capabilities, we constructed a comprehensive data system that serves as the foundation for multimodal video creation. The framework is further empowered by efficient large-scale pre-training strategies and infrastructure optimizations for inference. Comprehensive evaluations reveal that Kling-Omni demonstrates exceptional capabilities in in-context generation, reasoning-based editing, and multimodal instruction following. Moving beyond a content creation tool, we believe Kling-Omni is a pivotal advancement toward multimodal world simulators capable of perceiving, reasoning, generating and interacting with the dynamic and complex worlds.

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