Video Image to Video Kie.ai

Seedance v1.5 Pro

Seedance v1.5 Pro costs $0.084/clip on FairStack — a image to video model for Animating still images, Character animation from reference, Product animation. That's 83% less than Runway Gen-4. 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
$0.084/clip
Runway Gen-4
$0.50/clip
You save
83%

What is Seedance v1.5 Pro?

Seedance v1.5 Pro I2V is ByteDance's image-to-video model that animates still images into 5-second video clips at 720p resolution. Upload a reference image and the model generates natural motion while preserving the visual fidelity of the source material. Hosted on RunPod for reliable serverless infrastructure. The model excels at bringing static images to life with coherent motion that respects the original composition. Character animations, product reveals, and scene transitions maintain the color palette, lighting, and style of the input image. At 720p output, the results are suitable for social media and web content. Compared to Kling v2.1 Pro I2V which outputs at 1080p with stronger cinematic motion, Seedance v1.5 Pro I2V offers a more affordable entry point at $0.26 per generation. Against Runway Gen-4's $0.50 per generation, it provides reasonable quality at roughly half the cost. The tradeoff is shorter clip duration and slightly less sophisticated motion physics. Ideal for animating product images, creating social media video from existing photography, and character animation from reference art. Available on FairStack at infrastructure cost plus a 20% platform fee.

Key Features

Image-to-video animation at 720p
5-second clips
RunPod-hosted reliability
Good visual fidelity from source image

What are Seedance v1.5 Pro's strengths?

Good image-to-video quality
720p output
RunPod-hosted

What are Seedance v1.5 Pro's limitations?

Expensive for 5s I2V ($0.26)
Only 5 seconds

What is Seedance v1.5 Pro best for?

Animating still images Character animation from reference Product animation

How much does Seedance v1.5 Pro cost?

Metric
FairStack
Details
Price per generation
$0.084
Includes 20% margin
Runway Gen-4 price
$0.50
Save 83%
Subscription
None
Pay per generation only

How does Seedance v1.5 Pro perform across capabilities?

motion quality
80%
visual quality
80%
prompt adherence
75%
temporal coherence
80%
character consistency
78%
camera control
72%

How do I use the Seedance v1.5 Pro 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": "seedance-v1-5-pro-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": "seedance-v1-5-pro-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: "seedance-v1-5-pro-i2v",
      prompt: "Your prompt here",
    }),
  }
);

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

What parameters does Seedance v1.5 Pro support?

Parameter
Type
Default
Details
aspect_ratio
enum
1:1
Options: 1:1, 4:3, 3:4, 16:9, 9:16, 21:9
duration
integer
8
Options: 4, 8, 12
resolution
enum
720p
Options: 480p, 720p, 1080p
fixed_lens
boolean (optional)
false
generate_audio
boolean (optional)
false

Frequently Asked Questions

How much does Seedance v1.5 Pro cost?

Seedance v1.5 Pro costs $0.084/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 Seedance v1.5 Pro and what is it best for?

Seedance v1.5 Pro I2V is ByteDance's image-to-video model that animates still images into 5-second video clips at 720p resolution. Upload a reference image and the model generates natural motion while preserving the visual fidelity of the source material. Hosted on RunPod for reliable serverless infrastructure. The model excels at bringing static images to life with coherent motion that respects the original composition. Character animations, product reveals, and scene transitions maintain the color palette, lighting, and style of the input image. At 720p output, the results are suitable for social media and web content. Compared to Kling v2.1 Pro I2V which outputs at 1080p with stronger cinematic motion, Seedance v1.5 Pro I2V offers a more affordable entry point at $0.26 per generation. Against Runway Gen-4's $0.50 per generation, it provides reasonable quality at roughly half the cost. The tradeoff is shorter clip duration and slightly less sophisticated motion physics. Ideal for animating product images, creating social media video from existing photography, and character animation from reference art. Available on FairStack at infrastructure cost plus a 20% platform fee. Seedance v1.5 Pro is best for Animating still images, Character animation from reference, Product animation. Available via FairStack's REST API with curl, Python, and Node.js SDKs.

Does Seedance v1.5 Pro have an API?

Yes. Seedance v1.5 Pro 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.

Is Seedance v1.5 Pro cheaper on FairStack than Runway Gen-4?

Yes. Runway Gen-4 charges $0.50 per generation for Seedance v1.5 Pro. FairStack charges $0.084/clip — that's 83% cheaper. FairStack uses a transparent 20% margin model with no subscription fees.

How does Seedance v1.5 Pro compare to other video models?

Seedance v1.5 Pro excels at Animating still images, Character animation from reference, Product animation. It is a image to video model priced at $0.084/clip on FairStack. Key strengths: Good image-to-video quality, 720p output. Compare all video models at fairstack.ai/models.

What makes Seedance v1.5 Pro stand out from other video models?

Seedance v1.5 Pro is distinguished by good image-to-video quality and 720p output. Generation typically completes in 5-15 seconds.

What are the known limitations of Seedance v1.5 Pro?

Key limitations include: expensive for 5s i2v ($0.26); only 5 seconds. FairStack documents these transparently so you can choose the right model for your workflow.

How fast is Seedance v1.5 Pro?

Seedance v1.5 Pro typically completes in 5-15 seconds. This provides a good balance between output quality and processing speed for most production workflows.

How does using Seedance v1.5 Pro on FairStack compare to Runway Gen-4?

Using Seedance v1.5 Pro through FairStack gives you the same underlying model with transparent per-use pricing and full REST API access. Seedance v1.5 Pro offers good image-to-video quality. No subscription or commitment required — pay only for what you generate.

See how Seedance v1.5 Pro compares

Side-by-side pricing comparisons with competitors

Start using Seedance v1.5 Pro today

$0.084/clip. Full API access. No subscription.

Start Creating