HappyHorse Video Generator

Create engaging videos with AI

Bring scenes to life with HappyHorse — fast, faithful video generation from prompts, single images, or reference packs.

Generate Audio

Why HappyHorse?

Four creation modes, one consistent model — built for speed, fidelity, and prompt control.

Text · Image · Reference · Edit

One model covers four workflows — type a prompt, animate a still, follow up to nine reference images, or re-cut an existing video.

Sharp 720p / 1080p Output

Stay budget-friendly at 720p, or step up to 1080p when fine detail matters. Costs scale linearly per second.

Faithful Image-to-Video

Drop in a single first frame and HappyHorse animates it while preserving identity, lighting, and composition.

Camera, Style, and Audio Cues

Spell out cinematography, mood, and audio direction in plain language — fewer retries, more usable takes.

HappyHorse Models

Pricing scales with resolution: 720p at 20 credits/sec, 1080p at 30 credits/sec.

HappyHorse

All-in-one HappyHorse model: text-to-video, image-to-video, reference-to-video, and video editing.

Pricing: 720p · 20 credits/sec · 1080p · 30 credits/sec.

HappyHorse
Duration
3 / 5 / 10 / 15s
Resolution
720p / 1080p
Aspect Ratio
5 ratios
Pricing
720p · 20/s · 1080p · 30/s

HappyHorse reference limits

  • Text-to-video, image-to-video, and reference-to-video support 3–15 second outputs.
  • Image-to-video starts from exactly one image and locks it as the first frame.
  • Reference-to-video supports 1–9 images as style, subject, or scene references.
  • Video-edit ignores duration; billing uses the source video duration, capped at 15 seconds and multiplied by two.
  • Output includes audio by default, and inference audio cannot be fully disabled.
  • Prompts work best when subject, action, scene, camera movement, visual style, and audio cues are explicit.

Key Features

Text, Image, Reference, and Edit

Use one HappyHorse model for text-to-video, single-image animation, multi-reference generation, and video-edit workflows.

Reference-to-video Control

Guide style, subjects, and scenes with 1–9 reference images while HappyHorse generates a new video.

First-frame Image-to-video

Start from exactly one image and lock it as the first frame for more predictable motion from a known visual.

Built-in Audio Output

HappyHorse videos include audio by default, making clips more suitable for ads, product motion, and presenter-style content.

How to Use

1

Choose your input mode

Start from a prompt, one first-frame image, multiple reference images, or a source video for editing.

2

Set video options

Choose resolution, aspect ratio, duration, and prompt details that describe the subject, action, scene, and camera movement.

3

Generate and review

Submit the HappyHorse task, preview the result, and refine the prompt or references if another version is needed.

FAQ

What is the difference between HappyHorse image-to-video and HappyHorse reference-to-video?

HappyHorse image-to-video starts from exactly one image and locks it as the first frame. HappyHorse reference-to-video uses 1–9 images as style, subject, or scene references while generating a new video.

Can the HappyHorse API generate videos from text only?

Yes. HappyHorse text-to-video is the simplest mode and only requires a prompt, resolution, ratio, duration, and optional watermark or seed settings.

Does HappyHorse video-edit use the duration field?

No. Duration is ignored for HappyHorse video-edit. HappyHorse API billing uses the source video duration, capped at 15 seconds and multiplied by two.

Can I disable audio completely?

No. HappyHorse output includes audio by default, and inference audio cannot be fully disabled.

What durations are supported?

HappyHorse text-to-video, image-to-video, and reference-to-video support 3–15 second outputs. HappyHorse video-edit accepts source videos from 0–15 billable seconds.

Is HappyHorse API good for ecommerce advertising?

Yes. HappyHorse API is a strong fit for ecommerce ads, product motion assets, and digital-human presenter clips where prompt control and batchable workflows matter.

How should I write a HappyHorse prompt?

A strong HappyHorse prompt should describe the subject, action, scene, camera movement, visual style, and audio cues. The HappyHorse API generally performs better when those production details are explicit.