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Seedance 1.5 Pro

by BytePlus

Generate cinematic videos with native audio-visual sync, multilingual lip-sync, skeletal tracking & 4K upscaling using dual-branch Diffusion Transformer; up to 25s at 1080p.[1][2][3]

seedance-1-5-pro
Closed Source ModelLLMs.txt
Endpoint
API Playground

Input

File preview

480P will cost $0.03 /sec & 720P will cost $0.06/ sec & 1080p will cost $0.14/ sec

Output

Sample

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Built for speed when you are iterating on a prompt.

Lower cost per run

Open-source models we host, unlimited on the $149/month plan.

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About Seedance 1.5 Pro

Generate cinematic videos with native audio-visual sync, multilingual lip-sync, skeletal tracking & 4K upscaling using dual-branch Diffusion Transformer; up to 25s at 1080p.[1][2][3]

Overview: Seedance API

Seedance 1.5 Pro facts

Provider
BytePlus
Price
From $0.03 per second of video
Added to ModelsLab
December 23, 2025
Model ID
seedance-1-5-pro

Key Features

  • AI video generation from text or image input
  • Motion control and camera movement parameters
  • Adjustable frame rate and video duration
  • High-quality cinematic output up to 1080p
  • Native audio generation support

Quick Start

Integrate Seedance 1.5 Pro into your application with a single API call. Get your API key from the pricing page to get started.

import requests
import json
url = "https://modelslab.com/api/v7/video-fusion/image-to-video"
headers = {
"Content-Type": "application/json"
}
data = {
"model_id": "seedance-1-5-pro",
"prompt": "A cinematic skincare commercial featuring a stunning female model with flawless glowing skin and wet, brushed-back hair. Begin with close-up shots of fresh water splashing in slow motion, soft daylight reflections, and droplets gliding over smooth skin. Transition to the model gently touching her face, smiling confidently, holding a premium facewash bottle beside her cheek. Show her applying the facewash with delicate hand movements, water running over her skin, highlighting hydration and purity. Use soft natural lighting, minimal clean background, and elegant product focus. Include aesthetic shots of the facewash bottle rotating in light, product texture visuals, and final hero shot of the model holding the product with a gentle smile. Mood: Fresh, luxurious, pure, premium skincare. Ultra-realistic, beauty commercial style, 4K, smooth transitions, slow motion.",
"key": "YOUR_API_KEY"
}
try:
response = requests.post(url, headers=headers, json=data)
response.raise_for_status() # Raises an HTTPError for bad responses (4XX or 5XX)
result = response.json()
print("API Response:")
print(json.dumps(result, indent=2))
except requests.exceptions.HTTPError as http_err:
print(f"HTTP error occurred: {http_err} - {response.text}")
except Exception as err:
print(f"Other error occurred: {err}")

Pricing

Seedance 1.5 Pro API costs $0.03 per generation, scaled by your settings. Plans start at $21/month, and open-source models are unlimited on the $149/month plan. View pricing plans

Use Cases

  • Marketing and promotional video creation
  • Social media short-form video content
  • Product demos and explainer videos
  • Creative storytelling and animation

Seedance 1.5 Pro FAQ

Generate cinematic **videos** with native **audio-visual sync**, multilingual lip-sync, skeletal tracking & 4K upscaling using dual-branch Diffusion Transformer; up to 25s at 1080p.[1][2][3]

You can integrate Seedance 1.5 Pro into your application with a single API call. Sign up on ModelsLab to get your API key, then use the model ID "seedance-1-5-pro" in your API requests. We provide SDKs for Python, JavaScript, and cURL examples in the API documentation.

Seedance 1.5 Pro costs from $0.03 per second of video. ModelsLab plans start at $21/month (Basic), and the $149/month Open Source plan includes unlimited generation on open-source models.

The model ID for Seedance 1.5 Pro is "seedance-1-5-pro". Use this ID in your API requests to specify this model.

Yes. ModelsLab is subscription-based with no free tier — plans start at $21/month (Basic, 3,250 API calls). The $149/month Open Source Unlimited plan includes unlimited generation across open-source models; premium third-party models are billed per call from your wallet.