Chinese giant Alibaba released Wan 2.1 and made it open-source: It's a text-to-video AI service similar to OpenAI's Sora.

Chinese cloud provider Alibaba has released four versions of its video-generation AI model as open source, allowing users to download and run them for free on capable PCs. The Wan2.1 text-to-video model “excels at generating realistic visuals by accurately handling complex movements,

Move covers four models of the Wan2.1 series, the latest version of Alibaba Cloud’s video foundational model Tongyi Wanxiang.