Wan2.2

Wan2.2 is an open video-generation model developed by the Wan team at Alibaba, released on 28 July 2025. According to the developer, it is the first open-source video-generation model to use a Mixture-of-Experts (MoE) architecture.

The MoE model combines two specialized experts: a “high-noise” expert for early denoising stages (scene layout) and a “low-noise” expert for later detail refinement. It totals 27 billion parameters, of which 14 billion are active per step. It also uses a custom Wan2.2-VAE encoder with a high compression ratio.

Wan2.2 includes variants: T2V-A14B (text-to-video, 480P/720P), I2V-A14B (image-to-video), TI2V-5B (unified text/image-to-video, 720P@24 fps), plus the later S2V-14B (speech-to-video) and Animate-14B (character animation). The TI2V-5B variant generates a 5-second 720P video in under 9 minutes on a single consumer GPU (e.g. an RTX 4090).

The model is released under the Apache 2.0 license (code and weights on GitHub and Hugging Face), permitting commercial and non-commercial use, self-hosting and fine-tuning. Wan2.2 belongs to Alibaba’s Wan (Tongyi Wanxiang) family of video models.