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Generate 3-15 second 720p/1080p clips across nine aspect ratios for social, cinematic, and campaign video.

Provider: MiniMax

Category: video generation

Endpoint: /v1/tasks

Status: Available

Cost: See live page pricing

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HappyHorse 1.1 Text to Video

New
by MiniMaxVideo

Alibaba HappyHorse 1.1 text-to-video: cinematic motion, strong prompt adherence, native audio, 720p/1080p.

Pricing

Standard Usage

420 Credits/ s

Input

0 / 4999
5s
3s1-second steps15s

Choose 3-15 seconds in 1-second steps

Estimated cost2,100 Credits420 Credits / s × 5s × 1080p

Output

Ready for generation

Configure your parameters and click "Run" to see the output here.

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About HappyHorse 1.1 Text to Video

Generate 3-15 second 720p/1080p clips across nine aspect ratios for social, cinematic, and campaign video.

The route accepts a prompt without requiring an input image. Use a separate image-to-video route when the opening composition must be fixed. happyhorse-1.1/text-to-video

Provider
MiniMax
Task
Pure text-to-video
Input
Text prompt
Starting price
320 Credits / second

Model specifications

These specifications reflect the current HiAPI HappyHorse 1.1 Text to Video request contract.

Input
Text prompt
Duration
3–15s
Resolution
720p1080p
Aspect ratio
16:99:163:44:34:55:41:19:2121:9
Audio and references
No media input; audio behavior follows the model contract
API protocol
POST /v1/tasksAsync
Starting tier： 320 Credits / secondBilled by output duration and the live model tier

How to use HappyHorse 1.1 Text to Video

Validate a short shot first, then increase quality or duration after motion and subject consistency are stable.

Subject
Action
Camera
01

Define subject, action, and camera

HappyHorse 1.1 Text to Video API quickstart

This is the minimum request for an asynchronous text-to-video task. Use the API docs for task retrieval, callbacks, errors, and the complete parameter contract.

curl -X POST "https://api.hiapi.ai/v1/tasks" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "happyhorse-1.1/text-to-video",
  "input": {
    "prompt": "A cinematic continuous shot with natural motion and stable subject detail",
    "duration": 5,
    "resolution": "1080p",
    "aspect_ratio": "16:9"
  }
}'
The create request returns a taskId; retrieve the result asynchronously.Open full API docs
Need to compare models and billing tiers?View live pricing for all models

Frequently asked questions

What type of video model is HappyHorse 1.1 Text to Video?

It is a pure text-to-video route and does not require an opening image.

Which output settings does HappyHorse 1.1 Text to Video support?

3-15 seconds, 720p, 1080p, and 16:9, 9:16, 3:4, 4:3, 4:5, 5:4, 1:1, 9:21, 21:9.

Can it generate sound or use audio references?

No media input; audio behavior follows the model contract

How is HappyHorse 1.1 Text to Video billed?

Billing follows output duration and the live tier. Resolution, mode, or audio differences are reflected by the page price and task record.

How do I call the HappyHorse 1.1 Text to Video API?

POST an asynchronous task to /v1/tasks with model set to happyhorse-1.1/text-to-video and place parameters inside input.

Lead with subject and setting, then describe action, camera direction, and speed in time order. State no cuts for a continuous take.

Draft

5s · 1080p

Final

15s · 1080p

02

Choose duration, quality, and frame

Validate subject motion and camera continuity with 5s · 1080p, then move to 15s · 1080p.

Playground
POST /v1/tasks
03

Validate in Playground, then integrate

Check motion stability and subject consistency online, then create an asynchronous task with the same model ID: happyhorse-1.1/text-to-video.