Choose the HappyHorse version
1
Start with HappyHorse 1.1 for the widest ratio set and a 20MB image limit. Choose the base HappyHorse model when a simpler 10MB reference workflow is enough.
Pick text or image input
2
Use text-to-video for a fresh concept, or upload one reference image when identity, product shape, costume, or scene layout needs to stay recognizable.
Set motion, quality, and sound direction
3
Select 720p or 1080p, choose a supported duration, then describe the camera movement, shot order, subject action, lighting, and native audio cues.
Generate, compare, and tighten the prompt
4
Review the clip for motion drift, reference fidelity, and sound timing. Re-run with a shorter shot list or stronger preservation notes when the result feels too broad.