API Stock
/VIDEO/Veo 3.1/veo3.1-quality
Video
Google

Veo 3.1 Quality API

Quality-focused video generation from text or reference images.

  • Text to video
  • Image to video

Starting at

$1.43

per generation

55% cheaper than fal.ai · 8-sec clip
5 parameters · 3 price options

Veo 3.1 Quality playground

Input

User's prompt

Image URLs for video generation

Sign in to run

Runs are charged to your balance.

Output

Output will appear here.

Check the price and run the model. Your result will appear here; browser use does not need an API key.

Veo 3.1 Quality API pricing

OptionPrice per generationfal.ai · 8-sec clipYour savings
1080p$1.43$3.2−55%
720p$1.2$3.2−63%
4k$1.8$4.8−63%
1curl -X POST https://api.api-stock.com/api/v1/generation/create \
2 -H "Authorization: Bearer $API_STOCK_KEY" \
3 -H "Content-Type: application/json" \
4 -d '{
5 "model": "veo3.1-quality",
6 "input": {
7 "prompt": "A cinematic shot of a city at dusk",
8 "aspectRatio": "16:9",
9 "resolution": "1080p"
10 }
11 }'

Parameters

NameTypeRequiredDefaultDescription
promptstringYes—User's prompt
aspectRatiostringNo16:9Aspect ratioOne of: 16:9, 9:16
urlsstring[]No—Image URLs for video generation
resolutionstringNo1080pVideo resolution qualityOne of: 720p, 1080p, 4k
generationTypestringNo—Generation type for VEO3 modelOne of: frame, reference

Frequently asked questions

How much does Veo 3.1 Quality cost?

Veo 3.1 Quality starts at $1.43 per generation on API Stock. The final charge depends on the selected settings.

When was Veo 3.1 Quality released?

Veo 3.1 Quality was released on October 15, 2025 and is available through API Stock.

How do I get an API key for Veo 3.1 Quality?

Create an account and API key on API Stock, then fund your balance. The same key works with Veo 3.1 Quality and other catalog models.

How do I call the Veo 3.1 Quality API?

POST to https://api.api-stock.com/api/v1/generation/create with your API key and model "veo3.1-quality". Use the returned task id for polling or receive a webhook.

What input parameters does Veo 3.1 Quality accept?

Veo 3.1 Quality accepts 5 input parameters, including the required field(s) prompt. See their types, defaults and allowed values above.

What happens if a Veo 3.1 Quality request fails?

API Stock automatically retries the request on a reserve provider. If every provider fails, the charge is refunded to your balance.

Can I use Veo 3.1 Quality with the same API key as other models?

Yes. Use your API Stock API key and balance for Veo 3.1 Quality and other catalog models.

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