Happy Horse 1.0 - Create video from text
post /v1/ai/text-to-video/happy-horse-1 Generate a high-quality AI video from a text prompt using Happy Horse 1.0, Alibaba's text-to-video model ranked #1 on the Artificial Analysis Video Arena (April 2026). Supports configurable aspect ratios (16:9, 9:16, 1:1, 4:3, 3:4), resolutions (720P, 1080P), and duration from 3 to 15 seconds.
Key features:
- 720P and 1080P resolution support
- 5 aspect ratio options
- Duration: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, or 15 seconds
- Prompt up to 2500 characters