HappyHorse 1.1 Text-to-Video, powered by Alibaba Cloud Bailian, generates dynamic, cinematic videos from a single text prompt. With strong scene comprehension, mood control and camera-language understanding, it supports 720P/1080P resolutions, multiple aspect ratios (16:9 to 3:4) and flexible 3-15s duration — ideal for creative shorts, ad storyboards and social content.