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Veo 3.1 Extend

Veo 3.1 Extend costs $0.360/clip on FairStack — a video to video model for Premium video extension, High-quality scene continuation. No subscription required. Pay per generation with full REST API access. FairStack applies a transparent 20% margin on infrastructure cost so you always see the real price.

FairStack price
$0.360/clip

What is Veo 3.1 Extend?

Veo 3.1 Extend is Google DeepMind's video extension model that continues existing video clips using the latest Veo architecture. The model generates new frames that naturally extend scenes with high visual quality, maintaining temporal consistency, physics-aware motion, and the visual style of the source material. At $0.30 per extension, it sits in the premium tier of video extension pricing. The Veo 3.1 architecture brings Google's latest improvements in motion understanding and visual quality to the extension task, producing more natural and higher-fidelity continuations than older extension models. Scene elements, lighting, and motion patterns are well-preserved. Compared to Runway Gen-3 Extend at $0.075, Veo 3.1 Extend commands a 4x premium that reflects significantly higher extension quality and more natural scene continuation. Against generating new clips and editing them together, AI extension maintains visual continuity that is difficult to achieve manually. Best suited for premium video extension, high-quality scene continuation, and production workflows where the quality of extended content must match the original material. Available on FairStack at infrastructure cost plus a 20% platform fee.

Key Features

Google Veo extension
High-quality continuation
Natural progression

What are Veo 3.1 Extend's strengths?

High quality
Google reliability
Natural extension

What are Veo 3.1 Extend's limitations?

$0.30 per extension

What is Veo 3.1 Extend best for?

Premium video extension High-quality scene continuation

How much does Veo 3.1 Extend cost?

Metric
FairStack
Details
Price per generation
$0.360
Includes 20% margin
Subscription
None
Pay per generation only

How does Veo 3.1 Extend perform across capabilities?

Veo 3.1 Extend — video continuation

motion quality
78%
visual quality
84%
prompt adherence
72%
temporal coherence
82%
character consistency
80%
camera control
72%

How do I use the Veo 3.1 Extend API?

curl
curl -X POST https://api.fairstack.ai/v1/generations/video \
  -H "Authorization: Bearer $FAIRSTACK_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "veo-3-1-extend",
    "prompt": "Your prompt here"
  }'
Python
import requests

response = requests.post(
    "https://api.fairstack.ai/v1/generations/video",
    headers={
        "Authorization": f"Bearer {FAIRSTACK_API_KEY}",
        "Content-Type": "application/json",
    },
    json={
        "model": "veo-3-1-extend",
        "prompt": "Your prompt here",
    },
)

result = response.json()
print(result["url"])
Node.js
const response = await fetch(
  "https://api.fairstack.ai/v1/generations/video",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${process.env.FAIRSTACK_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      model: "veo-3-1-extend",
      prompt: "Your prompt here",
    }),
  }
);

const result = await response.json();
console.log(result.url);

What parameters does Veo 3.1 Extend support?

Parameter
Type
Default
Details
aspect_ratio
enum
16:9
Options: 16:9, 9:16, Auto
model
enum
Options: veo3, veo3_fast

Frequently Asked Questions

How much does Veo 3.1 Extend cost?

Veo 3.1 Extend costs $0.360/clip on FairStack as of 2026-03-23. This price includes FairStack's transparent 20% margin on infrastructure cost. No subscription or monthly fee — you pay per generation only. Minimum deposit is $1.

What is Veo 3.1 Extend and what is it best for?

Veo 3.1 Extend is Google DeepMind's video extension model that continues existing video clips using the latest Veo architecture. The model generates new frames that naturally extend scenes with high visual quality, maintaining temporal consistency, physics-aware motion, and the visual style of the source material. At $0.30 per extension, it sits in the premium tier of video extension pricing. The Veo 3.1 architecture brings Google's latest improvements in motion understanding and visual quality to the extension task, producing more natural and higher-fidelity continuations than older extension models. Scene elements, lighting, and motion patterns are well-preserved. Compared to Runway Gen-3 Extend at $0.075, Veo 3.1 Extend commands a 4x premium that reflects significantly higher extension quality and more natural scene continuation. Against generating new clips and editing them together, AI extension maintains visual continuity that is difficult to achieve manually. Best suited for premium video extension, high-quality scene continuation, and production workflows where the quality of extended content must match the original material. Available on FairStack at infrastructure cost plus a 20% platform fee. Veo 3.1 Extend is best for Premium video extension, High-quality scene continuation. Available via FairStack's REST API with curl, Python, and Node.js SDKs.

Does Veo 3.1 Extend have an API?

Yes. Veo 3.1 Extend is available via FairStack's REST API at api.fairstack.ai. Send a POST request to /v1/generations/video with your API key and prompt. Works with curl, Python requests, Node.js fetch, and any HTTP client. No SDK installation required.

How does Veo 3.1 Extend compare to other video models?

Veo 3.1 Extend excels at Premium video extension, High-quality scene continuation. It is a video to video model priced at $0.360/clip on FairStack. Key strengths: High quality, Google reliability. Compare all video models at fairstack.ai/models.

What makes Veo 3.1 Extend stand out from other video models?

Veo 3.1 Extend is distinguished by high quality and google reliability. Generation typically takes 15-60 seconds due to its higher-quality processing.

What are the known limitations of Veo 3.1 Extend?

The main limitation to be aware of is: $0.30 per extension. FairStack documents these transparently so you can choose the right model for your workflow.

How fast is Veo 3.1 Extend?

Veo 3.1 Extend typically takes 15-60 seconds due to its higher-quality processing. The longer processing time reflects its advanced architecture, which produces higher-quality results than faster alternatives.

What video capabilities does Veo 3.1 Extend offer?

Veo 3.1 Extend offers: google veo extension; high-quality continuation; natural progression. All capabilities are accessible through both the FairStack web interface and REST API.

Start using Veo 3.1 Extend today

$0.360/clip. Full API access. No subscription.

Start Creating