Alibaba Happyhorse 1.0 Reference To Video
Playground
Try it on WavespeedAI!Alibaba Happy Horse 1.0 (Reference-to-Video) generates new video scenes guided by reference images, maintaining consistent characters, styles, and visual identity. Ready-to-use REST API, best performance, no coldstarts, affordable pricing.
Features
Alibaba Happy Horse 1.0 Reference-to-Video
Alibaba Happy Horse 1.0 Reference-to-Video generates new video scenes guided by one or more reference images, helping maintain consistent characters, styles, and visual identity across the output. It combines reference-image grounding with natural-language prompting to create cinematic videos in 720p or 1080p.
- Need to generate directly from text? Try Alibaba Happy Horse 1.0 Text-to-Video.
- Need to animate a single starting frame instead? Try Alibaba Happy Horse 1.0 Image-to-Video.
Why Choose This?
-
Reference-guided consistency Use up to multiple reference images to preserve character identity, visual style, outfit details, and overall scene language.
-
Prompt + image control Combine reference images with a text prompt to control the scene, action, mood, and camera behavior more precisely.
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Cinematic motion Generate smooth, expressive video motion while keeping important visual elements stable and recognizable.
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Flexible output settings Choose output resolution, aspect ratio, duration, and seed to match your creative and production needs.
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Production-ready API Access the model through a REST inference API with no cold starts for scalable integration into apps and workflows.
Parameters
| Parameter | Required | Description |
|---|---|---|
| images | Yes | Reference image URLs. Supports 1–9 images. |
| prompt | Yes | Text description of the desired scene, action, style, or motion. |
| resolution | No | Output resolution: 720p (default) or 1080p. |
| aspect_ratio | No | Output aspect ratio. Default: 16:9. |
| duration | No | Video length in seconds. Range: 3–15, default 5. |
| seed | No | Random seed for reproducibility. Range: 0–2147483647. |
How to Use
- Upload your reference images — provide
1–9image URLs that define the character, style, or visual identity you want to preserve. - Write your prompt — describe the target scene, action, camera behavior, lighting, and mood.
- Choose resolution — use
720pfor lower-cost iteration or1080pfor higher-quality final output. - Set aspect ratio — choose the format that best fits your target platform or composition needs.
- Set duration — choose a clip length between
3and15seconds. - Set a seed (optional) — use a fixed seed for more reproducible generations.
- Submit — generate and download your video.
Example Prompt
A cinematic fashion scene with the same character walking through a softly lit modern city street at night, gentle camera tracking, subtle wind in the hair and clothing, elegant movement, realistic lighting, premium commercial style
Pricing
Per 5 Seconds
| Resolution | Cost |
|---|---|
| 720p | $0.70 |
| 1080p | $1.40 |
Example Costs
| Resolution | 3s | 5s | 10s | 15s |
|---|---|---|---|---|
| 720p | $0.42 | $0.70 | $1.40 | $2.10 |
| 1080p | $0.84 | $1.40 | $2.80 | $4.20 |
Billing Rules
- Base price:
720pcosts $0.70 per 5 seconds - 1080p surcharge:
1080pcosts 2× the720prate - Total price formula:
total_price = 0.70 × (resolution == "1080p" ? 2 : 1) × duration / 5
Best Use Cases
- Character consistency across scenes — Keep the same person, outfit, or visual identity across multiple generated videos.
- Brand and campaign content — Maintain a stable look and style across ad creatives, promos, and commercial storytelling.
- Style-preserving video generation — Use reference images to anchor art direction, color palette, and visual tone.
- Narrative concepting — Generate new scenes based on known characters or environments for storyboarding and ideation.
- Social media and short-form content — Create visually consistent clips tailored to different platforms and aspect ratios.
- Creative prototyping — Explore motion and scene variations while preserving core reference details.
Pro Tips
- Use clear, high-quality reference images that strongly represent the character, outfit, or style you want to preserve.
- Include multiple reference images when consistency across facial features, costume details, or design elements is important.
- Be specific in your prompt about scene, action, camera motion, lighting, and mood.
- Use
720pfor rapid testing, then switch to1080pfor final-quality renders. - Reuse the same
seedwhen you want more reproducible outputs. - Start with shorter durations to validate identity consistency and motion before generating longer clips.
Notes
- Both
imagesandpromptare required. imagessupports1–9reference image URLs.- Ensure all image URLs are publicly accessible.
- Supported video duration is
3–15 seconds. - Supported resolutions are
720pand1080p. - Pricing scales linearly with
duration. 1080ppricing is exactly 2× the720prate.- Please ensure your content complies with applicable usage policies.
Related Models
- Alibaba Happy Horse 1.0 Text-to-Video — Generate cinematic videos directly from natural-language prompts.
- Alibaba Happy Horse 1.0 Image-to-Video — Animate a single reference image into a cinematic video clip.
Authentication
For authentication details, please refer to the Authentication Guide.
API Endpoints
Submit Task & Query Result
# Submit the task
curl --location --request POST "https://api.wavespeed.ai/api/v3/alibaba/happyhorse-1.0/reference-to-video" \
--header "Content-Type: application/json" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}" \
--data-raw '{
"resolution": "720p",
"aspect_ratio": "16:9",
"duration": 5
}'
# Get the result
curl --location --request GET "https://api.wavespeed.ai/api/v3/predictions/${requestId}/result" \
--header "Authorization: Bearer ${WAVESPEED_API_KEY}"
Parameters
Task Submission Parameters
Request Parameters
| Parameter | Type | Required | Default | Range | Description |
|---|---|---|---|---|---|
| prompt | string | Yes | - | Text description of the desired scene. | |
| images | array | Yes | [] | 1 ~ 9 items | Array of reference image URLs (1-9). |
| resolution | string | No | 720p | 720p, 1080p | Output video resolution. |
| aspect_ratio | string | No | 16:9 | 16:9, 9:16, 1:1, 4:3, 3:4 | The aspect ratio of the generated video. |
| duration | integer | No | 5 | 3 ~ 15 | Video length in seconds (3-15). |
| seed | integer | No | - | -1 ~ 2147483647 | Random seed for reproducibility. |
Response Parameters
| Parameter | Type | Description |
|---|---|---|
| code | integer | HTTP status code (e.g., 200 for success) |
| message | string | Status message (e.g., “success”) |
| data.id | string | Unique identifier for the prediction, Task Id |
| data.model | string | Model ID used for the prediction |
| data.outputs | array | 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.has_nsfw_contents | array | Array of boolean values indicating NSFW detection for each output |
| 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 |
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 |