Happy Horse AI

Happy Horse AI is an open-source AI video generator for text-to-video and image-to-video creation. It is described as a free tool for making cinematic-quality videos, and the page says it is built on HappyHorse 1.0, a 15-billion-parameter unified transformer. The product is presented as a way to turn written scene descriptions or still images into animated video.

Its listed capabilities include native 1080p output, synchronized audio, and more than 50 AI video styles. The text-to-video mode is described as generating cinematic videos with natural motion, coherent storytelling, and photorealistic quality. The image-to-video mode accepts uploaded images, including images from GPT Image 2, Midjourney, Flux, or personal photos, and animates them into 1080p video in about 10 seconds. The audio feature is said to generate synchronized audio and video in one pass, with ambient soundscapes and lip sync in seven languages. The site also mentions that users can choose from 50+ styles or create their own.

Happy Horse AI is available as a free AI video generator, with no credit card required. It is fully open source and available with a commercial license, and the page says it can be run locally for free. Cloud-hosted API access is being rolled out progressively. The page also states that it was developed by Taotian Group (Alibaba) and mentions Zhang Di in connection with the project. It is presented as an AI video generation model and compares its results on Artificial Analysis for text-to-video and image-to-video quality.