TRStart creating
Menu

Happy Horse

Generate 1080p video with synchronized native audio from a text prompt and references. Aspect ratios: 16:9, 9:16, 1:1, 4:3, 3:4. Duration: 3–15s.

Input

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

Text prompt describing the desired video. Reference subjects from your images using `character1, character2, ... up to character9 (the order matches the order of image_urls`). Max 2500 characters.

Reference images for subject consistency (1-9 images). Formats: JPEG, JPG, PNG, WEBP. Shortest side must be at least 400 px (720P or higher recommended). Max 10 MB each.

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

Aspect ratio of the generated video.

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

Getting started

Explore an atmospheric scene or a brief sequence; describe actions, camera movement and sounds together.

Review your result

Watch for drifting faces, awkward cuts and sounds that arrive before or after the action.

Inputs and settings

Text mode requires prompt. Reference mode also requires image_urls; use that operation when supplied images should guide the scene.

Choose duration from 3–15 seconds, resolution at 720p or 1080p, and aspect_ratio for the destination. Retain seed when comparing revisions.

We use analytics cookies. Privacy policy