If you’ve been following the AI video space lately, you’ve probably noticed that it’s exploding. New models are coming out every week with better outputs, higher resolution, and faster generation speeds. Wan2.1 is the newest and most capable open-source video model. It was released last week, and it’s topping the leaderboards . Your browser does not support the video tag. There’s a lot to like about Wan2.1: It’s fast on Replicate. A 5s video takes 39s at 480p, or 150s at 720p. It’s open source , both the model weights and the code. The community is already building tools to enhance it . It produces stunning videos with real-world accuracy. It’s small enough to run on consumer GPUs. In this post we’ll cover the new models and how to run them with an API. Model flavors The model is available on Replicate in a number of different flavors: Wan 2.1 text to video, 480p – wavespeedai/wan-2.1-t2v-480p (14 billion parameters) Wan 2.1 image to video, 480p – wavespeedai/wan-2.1-i2v-480p (14 billion parameters) Wan 2.1 text to video, 720p – wavespeedai/wan-2.1-t2v-720p (14 billion parameters) …