Video

Veo 3.1 Quality Official video

Veo 3.1 Quality Official. Texto, imagem, primeiro/ultimo quadro e tres referencias. 4s, 6s ou 8s com audio nativo opcional.

Category: Create · veo-3-1-quality-official

How to use & limits

The final-take variant: text, image, first/last frame, or up to three references, with optional native audio.
prompt and duration are required; duration only accepts 4, 6, or 8 seconds.
With 2 images, use generation_type: frame for first and last frame. With 3 images, use generation_type: reference and duration: 8.
aspect_ratio accepts 16:9, 9:16, or auto. Auto requires one or two images; do not use it with text-only input or three references.
resolution accepts 720p, 1080p, or 4k. sound enables or disables native audio.

Capabilities

What this model supports, straight from the schema — no pricing, no infrastructure detail.

Capability	Value
`frame_mode` Frame mode	Yes
`video_edit` Video edit	—
`native_audio` Native audio	Yes
`featuredModes` FeaturedModes
`text_to_video` Text-to-video	Yes
`image_to_video` Image-to-video	Yes
`reference_mode` Reference mode	Yes
`allowed_durations` Allowed durations	4, 6, 8
`reference_to_video` Reference-to-video	Yes

Parameters

Fields accepted in params (or first-class, where applicable) for POST /generations.

Name	Label	Type	Required	Default	Options	Min / Max	Description
`prompt`	Prompt	textarea	Required	—	—	—	Scene direction. Required.
`image_urls`	Image references	multi_select	Optional	—	—	— – 3	Optional: up to 3 images. Two are first/last frame; three require reference mode and 8 seconds.
`generation_type`	Generation mode	select	Optional	—	frame · reference	—	frame for first/last frame; reference for exactly 3 references. Optional when the mode can be inferred.
`duration`	Duration	select	Required	8	—	—	4, 6, or 8 seconds. Three references require 8 seconds.
`aspect_ratio`	Aspect ratio	select	Optional	16:9	16:9 · 9:16 · auto	—	16:9, 9:16, or auto. auto requires one or two images.
`resolution`	Resolution	select	Optional	720p	720p · 1080p · 4k	—	720p, 1080p, or 4k.
`sound`	Generate native audio	boolean	Optional	true	—	—	Enables native video audio. Default: enabled.

Example request

bash

curl -X POST https://caranguejo.art/api/v1/dev/generations \
  -H "Authorization: Bearer $CK" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "veo-3-1-quality-official",
  "prompt": "Cinematic shot of a woman walking through an empty art gallery, warm side light, smooth dolly camera, and subtle ambient sound.",
  "params": {
    "duration": 8,
    "aspect_ratio": "16:9",
    "resolution": "4k",
    "sound": true
  }
}'

javascript

const res = await fetch("https://caranguejo.art/api/v1/dev/generations", {
  method: "POST",
  headers: {
    "Authorization": "Bearer " + process.env.CK,
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    "model": "veo-3-1-quality-official",
    "prompt": "Cinematic shot of a woman walking through an empty art gallery, warm side light, smooth dolly camera, and subtle ambient sound.",
    "params": {
      "duration": 8,
      "aspect_ratio": "16:9",
      "resolution": "4k",
      "sound": true
    }
  }),
});
const { data } = await res.json();

Example response

json

{
  "id": "9f0c1a7e-…",
  "object": "generation",
  "model": "veo-3-1-quality-official",
  "type": "video",
  "status": "completed",
  "output": {
    "assets": [
      {
        "url": "https://media.caranguejo.art/outputs/example.mp4",
        "type": "video"
      }
    ]
  }
}

The job's real cost is returned as credits_charged on the completed response — check GET /balance for the account balance.

Common errors for this job type:

`insufficient_credits`	Account balance can't cover the job cost.
`content_policy_violation`	Prompt or media rejected by content policy.
`generation_timeout`	The job exceeded the maximum processing time.
`rate_limited`	Too many requests per minute.
`invalid_input`	A required parameter is missing or outside the model's schema.
`generation_failed`	Generic processing failure.