Generate cinematic videos with native audio via a single API call. Access ByteDance's Seedance 2.0 model through Atlas Cloud — no waitlist, pay-as-you-go, OpenAI-compatible API.
Seedance 2.0 is ByteDance's most advanced AI video generation model. Unlike other video generation models that add audio as a post-processing step, Seedance 2.0 generates video and audio simultaneously in a single pass using a Dual-Branch Diffusion Transformer architecture.
| Feature | Details |
|---|---|
| Resolution | Up to 1080p Full HD |
| Duration | 4–15 seconds per generation |
| Native Audio | Dialogue, music, and SFX synced in one pass |
| Input Modes | Text, image, video, audio (quad-modal, up to 12 mixed files) |
| Camera Control | Dolly zoom, orbital tracking, POV switches |
| Physics | Cloth dynamics, fluid simulation, object interactions |
| Lip Sync | Phoneme-level accuracy across 8+ languages |
| Pricing | ~$0.127/second (standard), ~$0.101/second (fast) |
| Model ID | Type | Price |
|---|---|---|
bytedance/seedance-2.0/text-to-video |
Text → Video | $0.127/sec |
bytedance/seedance-2.0/image-to-video |
Image → Video | $0.127/sec |
bytedance/seedance-2.0/reference-to-video |
Reference → Video | $0.127/sec |
bytedance/seedance-2.0-fast/text-to-video |
Text → Video (fast) | $0.101/sec |
bytedance/seedance-2.0-fast/image-to-video |
Image → Video (fast) | $0.101/sec |
bytedance/seedance-2.0-fast/reference-to-video |
Reference → Video (fast) | $0.101/sec |
Atlas Cloud is the only provider that gives you full-capability Seedance 2.0 — not the restricted public version.
Most platforms strip out realistic human face generation for Seedance 2.0. Atlas Cloud is the first and only platform to offer the full-power version with unrestricted human face support — enabling use cases like:
- Realistic UGC ad generation with human talent
- AI spokesperson and presenter videos
- Character-consistent short films and product demos
No face blurring, no degraded outputs. The complete model, production-ready.
Other providers throttle concurrent requests or put you in a queue during peak hours. Atlas Cloud runs unlimited requests per minute with no queue:
- Burst-generate hundreds of videos simultaneously
- Build real-time video pipelines without backpressure
- SLA-backed response times regardless of platform load
- ✅ 99.99% uptime SLA with 24/7 engineering support
- ✅ SOC II compliant — enterprise-ready security and data handling
- ✅ OpenAI-compatible REST API — drop-in for existing tooling
- ✅ 300+ AI models via a single API key
- ✅ Dedicated account management for enterprise contracts
At $0.127/sec (standard) and $0.101/sec (fast), Atlas Cloud is the most affordable enterprise-tier access to Seedance 2.0 — cheaper than Google Veo 3.1 Standard ($0.35/sec) and with none of the usage caps found on consumer-tier platforms.
| Platform | Human Faces | Unlimited RPM | Enterprise SLA | Price |
|---|---|---|---|---|
| Atlas Cloud | ✅ Full | ✅ Yes | ✅ Yes | $0.127/sec |
| Other providers | ❌ Throttled | ❌ No | $0.15–0.35/sec | |
| Google Veo 3.1 | ✅ Yes | ❌ Throttled | ✅ Yes | $0.35/sec |
Sign up at atlascloud.ai and grab your API key from the dashboard.
export ATLASCLOUD_API_KEY="your_api_key_here"import requests
import time
API_KEY = "your_api_key_here"
BASE_URL = "https://api.atlascloud.ai"
headers = {
"Content-Type": "application/json",
"Authorization": f"Bearer {API_KEY}"
}
# Submit generation request
response = requests.post(
f"{BASE_URL}/api/v1/model/generateVideo",
headers=headers,
json={
"model": "bytedance/seedance-2.0/text-to-video",
"input": {
"prompt": "A cinematic drone shot flying over misty mountains at golden hour, photorealistic"
}
}
)
prediction_id = response.json()["data"]["id"]
print(f"Generation started: {prediction_id}")
# Poll until complete
while True:
status = requests.get(
f"{BASE_URL}/api/v1/model/prediction/{prediction_id}",
headers={"Authorization": f"Bearer {API_KEY}"}
).json()["data"]
if status["status"] in ["completed", "succeeded"]:
print(f"Video ready: {status['outputs'][0]}")
break
elif status["status"] == "failed":
raise Exception(status.get("error"))
time.sleep(2)pip install requests
# or for the full SDK:
pip install atlascloud- Quickstart Guide
- API Reference
- Text-to-Video
- Image-to-Video
- Native Audio Generation
- Camera Control & Cinematography
- Pricing & Cost Optimization
- Model Comparison
examples/python/text_to_video.py– Basic text-to-videoexamples/python/image_to_video.py– Image-to-video with referenceexamples/python/batch_generation.py– Parallel batch generationexamples/python/async_client.py– Async/await pattern withhttpx
examples/javascript/text-to-video.js– Node.js fetchexamples/javascript/text-to-video.ts– TypeScript with typesexamples/javascript/nextjs-route.ts– Next.js API route
examples/curl/generate.sh– Shell script with polling
Q: What makes Seedance 2.0 different from Kling or Wan? A: Seedance 2.0 generates video and audio simultaneously in one forward pass, whereas Kling AI and Wan Video require separate audio processing. This results in better audio-visual synchronization and faster end-to-end generation time.
Q: How does Seedance 2.0 compare to Sora? A: Seedance 2.0 offers native audio generation (Sora does not), supports up to 1080p, and is available via public API with no waitlist through Atlas Cloud. Sora's API access remains limited.
Q: What is the maximum video length? A: Each generation produces 4–15 seconds of video. For longer videos, you can generate multiple clips and concatenate them.
Q: What resolution does Seedance 2.0 support? A: Up to 1080p (1920×1080). Common output resolutions include 1280×720, 1920×1080, and 720×1280 (vertical).
Q: How much does the Seedance 2.0 API cost? A: Standard tier: $0.127 per second of generated video. Fast tier: $0.101 per second. A 10-second clip costs approximately $1.27 (standard) or $1.01 (fast). Enterprise volume pricing is available.
Q: Is the API OpenAI-compatible? A: Yes. Atlas Cloud's API uses the same request/response structure as OpenAI, making it easy to integrate with existing tooling and SDKs.
Q: Can I use Seedance 2.0 for image-to-video?
A: Yes. Use the bytedance/seedance-2.0/image-to-video model ID and pass an image URL as the image input parameter.
Q: Does Seedance 2.0 support custom audio input? A: Yes. You can provide a reference audio track and the model will synchronize video generation to match it, including lip sync across 8+ languages.
Generate cinematic B-roll, visual effects shots, and scene prototypes. Seedance 2.0's camera control (dolly zoom, orbital tracking, crane shots) makes it suitable for professional production pipelines.
Create product videos, branded content, and social media clips at scale. The identity preservation feature maintains consistent character appearance across generations.
Automatically generate product demonstration videos from product images. Use image-to-video to animate static product photos.
Prototype cutscenes, generate concept animations, and produce stylized content. Native physics simulation handles cloth, hair, and fluid dynamics realistically.
Provide a reference audio track and generate synchronized visuals with accurate lip sync in multiple languages.
Seedance 2.0 uses a Dual-Branch Diffusion Transformer (DiT) that processes audio and video in parallel streams with cross-modal attention layers. Key innovations:
- Joint Audio-Visual Diffusion: Unlike pipeline approaches, both modalities are denoised simultaneously
- Physics-Informed World Model: Training incorporates physics simulation data for realistic motion
- Phoneme-Level Temporal Alignment: Audio tokenization at phoneme granularity enables precise lip sync
- Hierarchical Camera Conditioning: Camera motion is controlled via a dedicated conditioning branch
- Get API Access: atlascloud.ai/seedance-2
- API Reference: atlascloud.ai/models/bytedance/seedance-2.0
- All 300+ Models: atlascloud.ai/models
- Pricing: atlascloud.ai/pricing
Contributions welcome! Feel free to submit examples in other languages, integration guides, or use-case notebooks. See CONTRIBUTING.md.
MIT License – see LICENSE for details.