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Happy Horse 1.1

Happy Horse 1.1 is Alibaba's #1-ranked video model. This image-to-video endpoint animates a still image into 1080p video with synchronized native audio and multilingual lip-sync

Input

Fields marked * are required. Review the price before generating.

URL of the first frame image. Formats: JPEG, JPG, PNG, BMP, WEBP. Dimensions must be at least 300px. Aspect ratio must be between 1:2.5 and 2.5:1. Max 20 MB.

Uploading a file needs an account. Create accountJPEG, PNG, WebP · up to 25 MB

Optional text prompt guiding the animation. Max 2500 characters.

Output video resolution tier.

Output video duration in seconds (3-15).

Additional settings

Random seed for reproducibility (0-2147483647).

Starting price$0.23 / second

You sign up first. Your settings are kept.

API code for this input

Complete the required fields and fix input errors to see API code.

How to use Happy Horse 1.1

Getting started

Plan dialogue or ambient scenes with explicit actions and camera direction.

Review your result

Review speech timing, character continuity and the first and last frames.

Inputs and settings

Text mode requires prompt. Image mode requires image_url and makes prompt optional; reference mode requires image_urls and prompt.

Select 3–15 seconds and 720p or 1080p. Text and reference modes expose aspect_ratio; the single-image operation does not.

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