Vidu Q4
ShengShu's Vidu video model for 3 to 16-second clips up to 4K, from one first frame or up to 15 reference images, with built-in dialogue and sound effects.
| Property | Value |
|---|---|
modelSlug | vidu-q4 |
| Kind | Video |
| Maker | ShengShu |
Copies per request (variations) | 1 to 5 |
| How the cost is counted | per second of output (from duration), at a rate that depends on mode and resolution |
| Over MCP | yes, with the generate tool |
Credit amounts are left out because they change. The lowest price is creditCost on GET /v1/models, and POST /v1/jobs answers with the exact creditCost of a request.
input fields
Send the fields below inside the input object. A field you leave out takes its Default. Unknown field names are dropped without an error, so check the spelling if a setting seems to have no effect.
| Field | Type | Required | Default | Rules |
|---|---|---|---|---|
prompt | string | – | – | Up to 20,000 characters |
mode | string (one of) | – | image | image, reference |
image | string[] (image upload ids) | – | – | First frame. One file at most |
reference_images | string[] (image upload ids) | – | – | Reference images. Up to 15 files |
reference_audios | string[] (audio upload ids) | – | – | Reference audio. Up to 3 files |
aspect_ratio | string (one of) | – | 16:9 | 16:9, 9:16, 1:1, 4:3, 3:4 |
resolution | string (one of) | – | 720p | 540p, 720p, 1080p, 2k, 4k |
duration | integer | – | 5 | 3 to 16 |
generate_audio | boolean | – | true | – |
Rules by setting
This model runs a different version depending on what you send. The rules below are checked before any credits move; a request that breaks one is refused with 400 and a message naming the field.
mode = image
aspect_ratiois not used; any value sent is ignored.- Takes no files in
reference_imagesandreference_audios; a request that fills one is refused. image: required; one file; at most 50 MB per file; JPG, PNG or WebP.
mode = reference
- Takes no files in
image; a request that fills one is refused. reference_images: required; up to 15 files; JPG, PNG or WebP.reference_audios: up to 3 files; at most 50 MB per file; MP3; each clip 3 to 12 seconds long.promptat least 1 characters.
Example request
{
"modelSlug": "vidu-q4",
"input": {
"prompt": "The camera circles slowly around a steaming cup of coffee on a wooden table",
"image": [
"<upload-id>"
]
}
}Fill media fields with the id from POST /v1/uploads, not a URL.
Veo 3.1
Cinematic Google video model up to 4K with built-in audio, in three tiers: Lite for the lowest price, Fast for balance, Quality for the sharpest result.
Gemini 3.8 Flash TTS
Google's speech model that turns text into spoken audio, with 70 voices for a single narrator or a two-speaker dialogue, on Flash and Flash Lite tiers.