What are Open Source Video Generation Models?
Open source video generation models are specialized AI systems designed to create smooth, natural video sequences from text descriptions or static images. Using advanced deep learning architectures like diffusion transformers and Mixture-of-Experts (MoE), they translate natural language prompts or input images into dynamic visual content. This technology allows developers and creators to generate, modify, and build upon video ideas with unprecedented freedom and speed. They foster collaboration, accelerate innovation, and democratize access to powerful video creation tools, enabling a wide range of applications from digital content creation to large-scale enterprise video production.
Wan-AI/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 parameter model can generate 720P high-definition videos from images and utilizes a diffusion transformer architecture with innovative spatiotemporal variational autoencoders (VAE), scalable training strategies, and large-scale data construction. The model supports both Chinese and English text processing.
Wan-AI/Wan2.1-I2V-14B-720P-Turbo: Speed Champion for Image-to-Video
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 open-source advanced image-to-video generation model is 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, reaches 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 understands and processes both Chinese and English text, providing powerful support for video generation tasks.
Pros
- 30% faster generation time with TeaCache acceleration.
- 720P high-definition video output quality.
- State-of-the-art performance after extensive human evaluation.
Cons
- Limited to image-to-video generation only.
- Requires input images to generate videos.
Why We Love It
- It delivers the fastest image-to-video generation with 30% speed improvement while maintaining exceptional 720P quality, making it perfect for rapid video content creation.
Wan-AI/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. This model focuses on text-to-video generation, producing 5-second videos at both 480P and 720P resolutions. The MoE architecture expands model capacity while keeping inference costs unchanged, featuring specialized experts for different generation stages.
Wan-AI/Wan2.2-T2V-A14B: Revolutionary MoE Architecture for Text-to-Video
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. Compared to its predecessor, the model was trained on significantly larger datasets, which notably enhances its generalization across motion, semantics, and aesthetics, enabling better handling of complex dynamic effects.
Pros
- Industry-first open-source MoE architecture for video generation.
- Produces videos at both 480P and 720P resolutions.
- Specialized experts optimize different generation stages.
Cons
- Limited to 5-second video duration.
- Requires text prompts for video generation.
Why We Love It
- It pioneered the MoE architecture in open-source video generation, delivering exceptional text-to-video results with cinematic quality while maintaining efficient inference costs.
Wan-AI/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. The model transforms static images into smooth, natural video sequences based on text prompts, employing specialized experts for initial layout and detail refinement while maintaining efficient inference costs.
Wan-AI/Wan2.2-I2V-A14B: Advanced MoE Architecture for Image-to-Video
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
- Industry-first open-source MoE architecture for image-to-video.
- Specialized experts for layout and detail refinement stages.
- Enhanced performance without increased inference costs.
Cons
- Requires both input images and text prompts.
- More complex architecture may require technical expertise.
Why We Love It
- It represents a breakthrough in open-source video generation with its innovative MoE architecture, delivering stable, high-quality image-to-video transformation with superior motion handling.
Video Generation Model Comparison
In this table, we compare 2025's leading fastest open source video generation models, each with unique strengths in speed and capability. For accelerated image-to-video creation, Wan2.1-I2V-14B-720P-Turbo offers unmatched speed with 30% faster generation. For text-to-video generation, Wan2.2-T2V-A14B provides revolutionary MoE architecture, while Wan2.2-I2V-A14B excels in advanced image-to-video transformation. 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 | Wan-AI/Wan2.1-I2V-14B-720P-Turbo | Wan | Image-to-Video | $0.21/Video | 30% faster generation speed |
| 2 | Wan-AI/Wan2.2-T2V-A14B | Wan | Text-to-Video | $0.29/Video | First open-source MoE architecture |
| 3 | Wan-AI/Wan2.2-I2V-A14B | Wan | Image-to-Video | $0.29/Video | Advanced motion & aesthetic handling |
Frequently Asked Questions
Our top three picks for the fastest open source video generation models in 2025 are Wan-AI/Wan2.1-I2V-14B-720P-Turbo, Wan-AI/Wan2.2-T2V-A14B, and Wan-AI/Wan2.2-I2V-A14B. Each of these models stood out for their speed, innovation, performance, and unique approach to solving challenges in video generation with advanced architectures like MoE and TeaCache acceleration.
Our analysis shows different leaders for specific needs. For the fastest image-to-video generation, Wan2.1-I2V-14B-720P-Turbo is the top choice with 30% speed improvement. For text-to-video generation with cinematic control, Wan2.2-T2V-A14B offers revolutionary MoE architecture. For advanced image-to-video with superior motion handling, Wan2.2-I2V-A14B provides the best balance of quality and innovation.