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Veo 3.1 I2V

Veo 3.1 I2V costs $2.40/clip on FairStack — a image to video model for Premium ad creative, Hero product shots, Audio-rich storytelling. 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
$2.40/clip
Try Veo 3.1 I2V API Quickstart Last updated 2026-06-27

What is Veo 3.1 I2V?

Veo 3.1 Image-to-Video is Google's flagship image animation model, the category leader for fidelity and native synchronized audio. It animates a still image into a richly detailed clip with generated sound, supporting 720p, 1080p, and 4K output and 4/6/8-second durations. Aspect ratio auto-aligns to your input image (16:9 or 9:16). Billed per second of output at the with-audio rate.

Key Features

Native synchronized audio
Up to 4K output
Best-in-class fidelity

What are Veo 3.1 I2V's strengths?

Top-tier visual quality
Native audio generation
Excellent prompt adherence

What are Veo 3.1 I2V's limitations?

Most expensive flagship tier
Max 8s duration
16:9/9:16 only

What is Veo 3.1 I2V best for?

Premium ad creative Hero product shots Audio-rich storytelling

How much does Veo 3.1 I2V cost?

Metric
FairStack
Details
Price per generation
$2.40
Includes 20% margin
Per-second rate
$0.4000/sec
Billed per second of output
Subscription
None
Pay per generation only

How does Veo 3.1 I2V perform across capabilities?

Veo 3.1 i2v — flagship, native audio

motion quality
92%
visual quality
95%
prompt adherence
90%
temporal coherence
92%
audio quality
90%
camera control
85%

How do I use the Veo 3.1 I2V 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-i2v",
    "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-i2v",
        "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-i2v",
      prompt: "Your prompt here",
    }),
  }
);

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

What parameters does Veo 3.1 I2V support?

Parameter
Type
Default
Details
aspect_ratio
enum
16:9
Options: 16:9, 9:16
duration
enum
8s
Options: 4s, 6s, 8s
resolution
enum
720p
Options: 720p, 1080p
generate_audio
boolean
true
negative_prompt
string (optional)
seed
integer (optional)

Frequently Asked Questions

How much does Veo 3.1 I2V cost?

Veo 3.1 I2V costs $2.40/clip on FairStack as of 2026-06-27. 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 I2V and what is it best for?

Veo 3.1 Image-to-Video is Google's flagship image animation model, the category leader for fidelity and native synchronized audio. It animates a still image into a richly detailed clip with generated sound, supporting 720p, 1080p, and 4K output and 4/6/8-second durations. Aspect ratio auto-aligns to your input image (16:9 or 9:16). Billed per second of output at the with-audio rate. Veo 3.1 I2V is best for Premium ad creative, Hero product shots, Audio-rich storytelling. Available via FairStack's REST API with curl, Python, and Node.js SDKs.

Does Veo 3.1 I2V have an API?

Yes. Veo 3.1 I2V 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 I2V compare to other video models?

Veo 3.1 I2V excels at Premium ad creative, Hero product shots, Audio-rich storytelling. It is a image to video model priced at $2.40/clip on FairStack. Key strengths: Top-tier visual quality, Native audio generation. Compare all video models at fairstack.ai/models.

Start using Veo 3.1 I2V today

$2.40/clip. Full API access. No subscription.

Start Creating