HappyHorse 1.1 T2V
[Core Function] HappyHorse 1.1 T2V is Alibaba’s latest streamlined text-to-video model. [Strengths] It generates 720P/1080P video with native audio support, 3-15 second duration, and an expanded set of aspect ratios including 4:5, 5:4, 9:21, and 21:9. [Best For] Highly recommended for: fast HappyHorse text-to-video generation, social video formats, and high-throughput content creation. [Limitations] It does not expose custom audio controls; use Wan 2.7 T2V when custom audio input is required. [Routing] Prefer this model when the user explicitly requests HappyHorse text-to-video or wants the latest HappyHorse generation quality.
Authorizations
API Key authentication. Format: Bearer YOUR_API_KEY.
Body
Text prompt describing the desired video content. Supports any language input, excess characters will be automatically truncated
1 - 5000"A miniature city made of cardboard and bottle caps comes to life at night."
Specifies the resolution tier for the generated video
720P, 1080P "720P"
Specifies the aspect ratio for the generated video
16:9, 9:16, 1:1, 4:3, 3:4, 4:5, 5:4, 9:21, 21:9 "16:9"
Specifies the video duration in seconds (integer)
3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 5
Random number seed. To improve reproducibility of generated results, it is recommended to fix the seed value. Note: Due to the probabilistic nature of model generation, even using the same seed cannot guarantee completely identical results each time
0 <= x <= 214748364742