HappyHorse 1.0 AI Video Generation

HappyHorse 1.0 is Alibaba Cloud Bailian's video generation model and one of the more underappreciated options on FlyAIgh. It costs 10 credits per second (50 credits for 5s, 100 for 10s) and delivers 1080p output across an unusually wide capability set.

The standout feature is auto-routing. Most video models force you to pick a mode up-front (text-to-video, image-to-video, reference-to-video, edit). HappyHorse inspects what you provide — zero images, one first frame, or up to nine references — and routes the generation to the right mode automatically. This makes it particularly good for iterating where you don't yet know whether a shot needs reference fidelity or pure text generation.

Clips run from 3 to 15 seconds in 1-second increments across five aspect ratios (16:9, 9:16, 1:1, 4:3, 3:4), all at 1080p. Up to 9 reference images can be supplied per generation, giving HappyHorse the same reference budget as Seedance 2.0 and more than Kling V3 Omni's 7.

HappyHorse is strong on stylized work — illustrative styles, anime-adjacent looks, advertising aesthetics — and on multi-reference composition. It is weaker than VEO 3.1 Quality for photorealistic textures and weaker than Hailuo for fine camera control. Pick HappyHorse when you have a stack of brand references and want the model to compose them flexibly, or when you'd rather not pre-commit to a generation mode.

On FlyAIgh, HappyHorse runs through Alibaba Cloud Bailian without any separate Alibaba account, API key or Mainland China registration.