HappyHorse 1.0 Image to Video 1080p: AI Image-to-Video Generator
Happy Horse 1.0 Image to Video — bring still images to life with fluid, expressive animation and fine-grained motion control.
Happy Horse 1.0 Image to Video — bring still images to life with fluid, expressive animation and fine-grained motion control.
About this model
Happy Horse 1.0 Image to Video brings still images to life with fluid, expressive animation. The model analyzes scene structure, depth, and subject motion to produce natural, coherent video from a single image — no additional setup required.
It supports optional text prompts to guide motion direction and mood, giving creators fine-grained control over the output without needing to describe the scene from scratch.
Cost analysis
| Provider | Cost | Notes |
|---|---|---|
| muapi | $0.36/sec at 1080p | Flat per-second billing at 1080p — a 5-second clip costs $1.80. |
| Fal.ai | Not available | Happy Horse 1.0 is not currently available on Fal.ai. |
| Replicate | Not available | Happy Horse 1.0 is not currently available on Replicate. |
Flat per-second billing at 1080p — a 5-second clip costs $1.80.
Happy Horse 1.0 is not currently available on Fal.ai.
Happy Horse 1.0 is not currently available on Replicate.
* Competitor pricing is estimated based on similar model architectures and usage tiers.
Configuration schema
| Parameter | Type | Description | Default |
|---|---|---|---|
| Prompt | string | Optional text description guiding the motion. | A tiny horse wearing boxing gloves stands in front of a massive battle robot in the middle of a city street. The horse suddenly charges fearlessly and punches the robot so hard that cars flip over and nearby windows shatter from the impact shockwave. |
| Image | array | Upload or provide the image to animate. | https://d3adwkbyhxyrtq.cloudfront.net/webassets/videomodels/happy-horse-1-image-to-video-1080p.jpg |
| Aspect Ratio | Enum (5 options) | Output video aspect ratio. | 16:9 |
| Duration (seconds) | int | Video duration in seconds. | 5 |
Optional text description guiding the motion.
A tiny horse wearing boxing gloves stands in front of a massive battle robot in the middle of a city street. The horse suddenly charges fearlessly and punches the robot so hard that cars flip over and nearby windows shatter from the impact shockwave.Upload or provide the image to animate.
https://d3adwkbyhxyrtq.cloudfront.net/webassets/videomodels/happy-horse-1-image-to-video-1080p.jpgOutput video aspect ratio.
16:9Video duration in seconds.
5Developer documentation
Upload your image
Provide a high-quality image via the images_list field. Supported formats: JPEG, PNG, WebP. Use a clear, well-lit image for best results.
Add an optional prompt Guide the motion with a text prompt. Example: 'Gentle breeze moves through the hair, subtle parallax depth, camera slowly zooms in.' Leave blank to let the model decide the motion.
Set duration and aspect ratio Choose 4–15 seconds and the desired aspect ratio. The output will be cropped/padded to match if the input image differs.
Submit and poll
Post to POST /api/v1/happy-horse-1-image-to-video-1080p and poll the result endpoint until status is completed.
Tips
Frequently asked
No. The prompt is optional — the model infers natural motion from the image content. Add a prompt to guide motion direction, speed, or camera movement.
JPEG, PNG, and WebP are supported. Use a minimum resolution of 512×512 for best quality.
The `images_list` field accepts one image for the starting frame. For multi-frame control, use the First & Last Frame variant when it launches.
The output uses the aspect ratio you select. If it differs from the input image, the model will crop or pad to fit.
All Happy Horse 1.0 generations output at 1080p.
Yes — Happy Horse 1.0 is live on muapi via POST /api/v1/happy-horse-1-image-to-video-1080p.