Veo 3.1

Vendor: Google

Video

Native audio and ultra-realistic motion

Typical latency: 60-300s
Reference inputs: Up to 2
toolId: veo-3-1

Input modes

text-to-videoimage-to-video

Parameters

Parameter	Type	Default	Values	Notes
model_tier	select	fast	lite \| fast \| quality	Lite is lowest cost, Fast is the default balance, Quality prioritizes final output.
duration	select	8s	8s	Fixed 8-second clip length for this model.
aspect_ratio	select	9:16	16:9 \| 9:16	Output frame shape. Keep one ratio across a series.
resolution	select	720p	720p \| 1080p \| 4k	Higher resolution looks sharper and costs more; re-quote after changing.
safety_tolerance	select	4	1 \| 2 \| 3 \| 4 \| 5 \| 6	How strict the content filter is.

Pricing

Pricing will be published shortly — contact us for early access rates

Prices last updated: —

API example

POST /v1/generations — veo-3-1

curl -X POST https://api.mukelabs.com/v1/generations \
  -H "Authorization: Bearer $MUKE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "toolId": "veo-3-1",
    "inputMode": "text-to-video",
    "prompt": "your prompt here",
    "params": { "model_tier": "lite" },
    "references": [],
    "idempotencyKey": "a-unique-key-per-task",
    "subjectId": "your-user-id"
  }'

FAQ

How do I call Veo 3.1 on Muke Labs?

Submit POST /v1/generations with toolId "veo-3-1" and one of its input modes (text-to-video, image-to-video), then poll GET /v1/generations/{jobId} for the result.

What does Veo 3.1 cost?

Public pricing for this model is being finalized — contact us for early access rates. All tasks are billed from your prepaid USD balance and failed tasks refund automatically.

What happens if a task fails?

The job returns status "failed" with a typed error code, and its charge is returned to your balance automatically.

Where do I get an API key?

Create one in the developer portal (https://portal.muke.name), then send it as a Bearer token on every request.