Model guide · Alibaba
What is HappyHorse?
HappyHorse is a video model from Alibaba. In practical terms, HappyHorse is a multimodal video family for generating motion from text, images, and supported reference media, with native audio on compatible variants. Text, image, reference, and video-to-video generation with audio.
On I2V, HappyHorse supports Text to video, Image to video, Reference images, Video to video. Available output options include 720p, 1080p, with aspect-ratio behavior shown as 16:9, 9:16, 1:1, 4:3, 3:4. The same public model ID and credit balance work in Studio and through the task API.
What HappyHorse can do
Input workflows
HappyHorse exposes Text to video, Image to video, Reference images, Video to video. The model-locked Studio form only shows controls that apply to this model.
Output control
Configured output resolution: 720p, 1080p. Supported aspect-ratio behavior: 16:9, 9:16, 1:1, 4:3, 3:4.
Reference-led creation
Use source images, frames, or reference media when the selected mode accepts visual input.
Best uses for HappyHorse
Dialogue and character scenes
Prototype scenes where movement, spoken delivery, and environmental sound need to be evaluated together.
Product and campaign motion
Explore product reveals, camera movement, environments, and campaign concepts before a full production shoot.
Storyboard previsualization
Turn prompts or approved frames into moving references that help teams evaluate pacing and shot direction.
When to choose HappyHorse
Choose HappyHorse when its input modes, duration range, and audio behavior match the shot. Compare 1.0 and 1.1 because their supported capabilities and rates differ. I2V shows the exact valid configurations before you run the task, so model selection can be based on both capability and cost.
HappyHorse FAQ
What is HappyHorse?
HappyHorse is a Alibaba video model available in I2V Studio and through the I2V task API. It supports Text to video, Image to video, Reference images, Video to video.
What inputs and outputs does HappyHorse support?
HappyHorse supports Text to video, Image to video, Reference images, Video to video. Output resolution is 720p, 1080p, with aspect-ratio behavior listed as 16:9, 9:16, 1:1, 4:3, 3:4. The live form is restricted to valid options for this model.
How much does HappyHorse cost on I2V?
HappyHorse starts at 70 credits ($1.73 using the current Mini Pack reference) for Text or image input, 720p · 5s. The pricing table lists other valid configurations.
Can I use HappyHorse through an API?
Yes. Use the public model ID happy-horse-1-0 with POST /api/v1/jobs/createTask, then poll GET /api/v1/jobs/recordInfo until the task succeeds or fails. Studio and API share one credit balance.