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Happy Horse 1.1 is Alibaba's #1-ranked video model. This reference-to-video endpoint turns up to 9 reference images into 1080p video with synchronized native audio and multilingual lip-sync for consistent characters.
Example
Details
- Accepts
- image
Pricing
- Price
- 17.5 cr / second
Prices in credits (1 credit = $0.01).
Data schema
Input
| Field | Type | Description |
|---|---|---|
| seed | — | Random seed for reproducibility (0-2147483647). |
| promptrequired | string | Text prompt describing the desired video. Reference subjects from your images using ``character1``, ``character2``, ... up to ``character9`` (the order matches the order of ``image_urls``). Max 2500 characters. |
| duration | integerenum: 3, 4, 5, 6, 7, 8… | Output video duration in seconds (3-15). |
| image_urlsrequired | array | Reference images for subject consistency (1-9 images). Formats: JPEG, JPG, PNG, WEBP. Shortest side must be at least 400 px (720P or higher recommended). Max 20 MB each. |
| resolution | stringenum: 720p, 1080p | Output video resolution tier. |
| aspect_ratio | stringenum: 16:9, 9:16, 1:1, 4:3, 3:4, 21:9… | Aspect ratio of the generated video. |
| enable_safety_checker | boolean | Enable content moderation for input and output. Disabling it requires account authorization; unauthorized requests are always checked. |
Output
| Field | Type | Description |
|---|---|---|
| seed | integer | The seed used for generation. |
| video | — | The generated video file. |