Alibaba Happyhorse 1.1 Text To Video
Playground
Try it on WavespeedAI!Alibaba HappyHorse 1.1 Text-to-Video generates cinematic 720P or 1080P videos from text prompts, with smooth camera movement, expressive motion, and strong prompt fidelity. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Features
Alibaba Happy Horse 1.1 Text-to-Video
Alibaba Happy Horse 1.1 Text-to-Video turns natural-language prompts into cinematic videos with smooth motion, strong prompt alignment, and stable subject rendering. It supports both 720p and 1080p output, along with multiple aspect ratios for ad creatives, social content, storytelling, and concept work.
- Need to animate a reference image instead? Try Alibaba Happy Horse 1.1 Image-to-Video.
Why Choose This?
-
Strong prompt fidelity
Follows detailed instructions for scene composition, action, lighting, mood, and camera movement. -
Cinematic motion
Generates smooth, expressive motion with stable subjects and polished visual dynamics. -
Flexible aspect ratios
Supports16:9,9:16,1:1,4:3, and3:4for landscape, portrait, and square video formats. -
Resolution options for different needs
Choose720pfor lower-cost iteration or1080pfor higher-resolution outputs. -
Production-ready API
Access the model through a REST inference API for easy integration into creative workflows.
Parameters
| Parameter | Required | Description |
|---|---|---|
| prompt | Yes | Text prompt describing the desired video. Maximum 2500 characters. |
| aspect_ratio | No | Output aspect ratio: 16:9 default, 9:16, 1:1, 4:3, or 3:4. |
| resolution | No | Output resolution: 720p default or 1080p. |
| duration | No | Video length in seconds. Range: 3–15, default 5. |
| seed | No | Random seed for reproducibility. Range: 0–2147483647. |
How to Use
- Write your prompt — Describe the scene, subject, action, camera movement, lighting, and mood.
- Choose aspect ratio — Select the format that best matches your target platform or creative layout.
- Choose resolution — Use
720pfor lower-cost iteration or1080pfor higher-resolution output. - Set duration — Choose a clip length between
3and15seconds. - Set a seed optional — Use a fixed seed if you want more reproducible results.
- Submit — Generate and download your video.
Example Prompt
A cinematic street scene at night, light rain falling, soft reflections on wet pavement, a stylish woman walking slowly toward the camera, gentle dolly-in movement, neon glow, shallow depth of field, elegant and atmospheric mood.
Pricing
Per 5 Seconds
| Resolution | Cost |
|---|---|
| 720p | $0.70 |
| 1080p | $0.945 |
Per Second
| Resolution | Cost |
|---|---|
| 720p | $0.14 |
| 1080p | $0.189 |
Example Costs
| Resolution | 3s | 5s | 10s | 15s |
|---|---|---|---|---|
| 720p | $0.42 | $0.70 | $1.40 | $2.10 |
| 1080p | $0.567 | $0.945 | $1.89 | $2.835 |
Best Use Cases
- Ad creatives — Generate short cinematic promo videos from detailed campaign concepts.
- Social media content — Create vertical, square, or landscape videos for different platforms.
- Concept visualization — Turn written ideas into motion previews for pitching, ideation, or storyboarding.
- Brand storytelling — Build polished mood-driven clips with specific lighting, movement, and atmosphere.
- Creative prototyping — Explore different visual directions before committing to full production.
- Short-form cinematic scenes — Generate expressive clips for teasers, motion concepts, and narrative experiments.
Pro Tips
- Be specific in your prompt about subject, action, camera movement, lighting, and mood.
- Mention visual style clearly, such as cinematic, commercial, dreamy, realistic, or editorial.
- Use
720pfor rapid testing, then switch to1080pfor higher-resolution outputs. - Pick the aspect ratio based on the final destination:
9:16for short-form mobile,16:9for widescreen, and1:1for square layouts. - Reuse the same
seedwhen you want more reproducible outputs. - Start with shorter durations to validate motion and composition before generating longer clips.
Related Models
- Alibaba Happy Horse 1.1 Image-to-Video — Animate a reference image into a cinematic video clip.
<ApiPage model={model}>
## Authentication
For authentication details, please refer to the [Authentication Guide](/docs-authentication).
## API Endpoints
### Submit Task & Query Result
## Parameters
### Task Submission Parameters
#### Request Parameters
#### Response Parameters
<SubmitResponse />
#### Result Request Parameters
| Parameter | Type | Required | Default | Description |
|-----------|------|----------|---------|-------------|
| id | string | Yes | - | Task ID |
#### Result Response Parameters
| Parameter | Type | Description |
|-----------|------|-------------|
| code | integer | HTTP status code (e.g., 200 for success) |
| message | string | Status message (e.g., "success") |
| data | object | The prediction data object containing all details |
| data.id | string | Unique identifier for the prediction, the ID of the prediction to get |
| data.model | string | Model ID used for the prediction |
| data.outputs | object | Array of URLs to the generated content (empty when status is not completed). |
| data.urls | object | Object containing related API endpoints |
| data.urls.get | string | URL to retrieve the prediction result |
| data.status | string | Status of the task: `created`, `processing`, `completed`, or `failed` |
| data.created_at | string | ISO timestamp of when the request was created (e.g., "2023-04-01T12:34:56.789Z") |
| data.error | string | Error message (empty if no error occurred) |
| data.timings | object | Object containing timing details |
| data.timings.inference | integer | Inference time in milliseconds |
</ApiPage>