What are Open Source AI Video Generation Models?
Open source AI video generation models are specialized deep learning systems designed to create dynamic video content from text descriptions or static images. Using advanced architectures like diffusion transformers and Mixture-of-Experts (MoE), they translate natural language prompts or visual inputs into fluid, realistic video sequences. This technology allows developers and creators to generate, modify, and build upon video content with unprecedented freedom. They foster collaboration, accelerate innovation, and democratize access to powerful video creation tools, enabling a wide range of applications from digital storytelling to large-scale enterprise video production.
Wan2.2-T2V-A14B
Wan2.2-T2V-A14B is the industry's first open-source video generation model with a Mixture-of-Experts (MoE) architecture, released by Alibaba. This model focuses on text-to-video (T2V) generation, capable of producing 5-second videos at both 480P and 720P resolutions. By introducing an MoE architecture, it expands the total model capacity while keeping inference costs nearly unchanged.
Wan2.2-T2V-A14B: Revolutionary Text-to-Video Generation
Wan2.2-T2V-A14B is the industry's first open-source video generation model with a Mixture-of-Experts (MoE) architecture, released by Alibaba. This model focuses on text-to-video (T2V) generation, capable of producing 5-second videos at both 480P and 720P resolutions. By introducing an MoE architecture, it expands the total model capacity while keeping inference costs nearly unchanged; it features a high-noise expert for the early stages to handle the overall layout and a low-noise expert for later stages to refine video details. Furthermore, Wan2.2 incorporates meticulously curated aesthetic data with detailed labels for lighting, composition, and color, allowing for more precise and controllable generation of cinematic styles.
Pros
- Industry's first open-source MoE video generation model
- Produces videos at both 480P and 720P resolutions
- Enhanced generalization across motion, semantics, and aesthetics
Cons
- Limited to 5-second video duration
- Requires significant computational resources for optimal performance
Why We Love It
- It pioneers the MoE architecture in open-source video generation, delivering cinematic quality with precise style control while maintaining cost-effective inference.
Wan2.2-I2V-A14B
Wan2.2-I2V-A14B is one of the industry's first open-source image-to-video generation models featuring a Mixture-of-Experts (MoE) architecture, released by Alibaba's AI initiative, Wan-AI. The model specializes in transforming a static image into a smooth, natural video sequence based on a text prompt.
Wan2.2-I2V-A14B: Advanced Image-to-Video Transformation
Wan2.2-I2V-A14B is one of the industry's first open-source image-to-video generation models featuring a Mixture-of-Experts (MoE) architecture, released by Alibaba's AI initiative, Wan-AI. The model specializes in transforming a static image into a smooth, natural video sequence based on a text prompt. Its key innovation is the MoE architecture, which employs a high-noise expert for the initial video layout and a low-noise expert to refine details in later stages, enhancing model performance without increasing inference costs. Compared to its predecessors, Wan2.2 was trained on a significantly larger dataset, which notably improves its ability to handle complex motion, aesthetics, and semantics, resulting in more stable videos with reduced unrealistic camera movements.
Pros
- Pioneering MoE architecture for image-to-video generation
- Enhanced performance without increased inference costs
- Improved handling of complex motion and aesthetics
Cons
- Requires high-quality input images for optimal results
- Processing time may vary based on image complexity
Why We Love It
- It revolutionizes image-to-video generation with its innovative MoE architecture, creating smooth, natural video sequences with exceptional motion stability.
Wan2.1-I2V-14B-720P-Turbo
Wan2.1-I2V-14B-720P-Turbo is the TeaCache accelerated version of the Wan2.1-I2V-14B-720P model, reducing single video generation time by 30%. This 14B model can generate 720P high-definition videos and reaches state-of-the-art performance levels after thousands of rounds of human evaluation.
Wan2.1-I2V-14B-720P-Turbo: High-Speed HD Video Generation
Wan2.1-I2V-14B-720P-Turbo is the TeaCache accelerated version of the Wan2.1-I2V-14B-720P model, reducing single video generation time by 30%. Wan2.1-I2V-14B-720P is an open-source advanced image-to-video generation model, part of the Wan2.1 video foundation model suite. This 14B model can generate 720P high-definition videos. And after thousands of rounds of human evaluation, this model is reaching state-of-the-art performance levels. It utilizes a diffusion transformer architecture and enhances generation capabilities through innovative spatiotemporal variational autoencoders (VAE), scalable training strategies, and large-scale data construction. The model also understands and processes both Chinese and English text, providing powerful support for video generation tasks.
Pros
- 30% faster generation with TeaCache acceleration
- Generates 720P high-definition videos
- State-of-the-art performance verified by human evaluation
Cons
- Higher computational requirements for 14B parameters
- Limited to image-to-video generation only
Why We Love It
- It combines state-of-the-art HD video quality with 30% faster generation speeds, making it ideal for production environments requiring both quality and efficiency.
AI Model Comparison
In this table, we compare 2025's leading open-source video generation models, each with a unique strength. For text-to-video creation, Wan2.2-T2V-A14B offers pioneering MoE architecture. For image-to-video transformation, Wan2.2-I2V-A14B provides advanced motion handling, while Wan2.1-I2V-14B-720P-Turbo prioritizes speed and HD quality. This side-by-side view helps you choose the right tool for your specific video generation needs.
| Number | Model | Developer | Subtype | Pricing (SiliconFlow) | Core Strength |
|---|---|---|---|---|---|
| 1 | Wan2.2-T2V-A14B | Wan-AI | Text-to-Video | $0.29/Video | First open-source MoE architecture |
| 2 | Wan2.2-I2V-A14B | Wan-AI | Image-to-Video | $0.29/Video | Advanced motion & aesthetics |
| 3 | Wan2.1-I2V-14B-720P-Turbo | Wan-AI | Image-to-Video | $0.21/Video | 30% faster HD generation |
Frequently Asked Questions
Our top three picks for 2025 are Wan2.2-T2V-A14B, Wan2.2-I2V-A14B, and Wan2.1-I2V-14B-720P-Turbo. Each of these models stood out for their innovation, performance, and unique approach to solving challenges in video generation, from text-to-video synthesis to high-definition image-to-video transformation.
Our in-depth analysis shows several leaders for different needs. Wan2.2-T2V-A14B is the top choice for text-to-video generation with cinematic style control. For image-to-video transformation, Wan2.2-I2V-A14B excels at complex motion handling, while Wan2.1-I2V-14B-720P-Turbo is best for fast HD video generation.