image-to-video
Seedance 2.0 Fast (Image-to-Video) generates cinematic videos from reference images and text prompts with native audio-visual synchronization, director-level control, and exceptional motion stability — optimized for faster generation at lower cost. Built on ByteDance Seed's unified multimodal architecture.
Idle
Your request will cost $0.6 per run.
For $10 you can run this model approximately 16 times.
One more thing:
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README
Seedance 2.0 Fast Image-to-Video
Seedance 2.0 Fast is the speed-optimized version of ByteDance Seed's latest video generation model. The Image-to-Video mode generates cinematic videos from reference images and text prompts — faster and at 33% lower cost than the standard version, preserving the input image's subject and composition while adding expressive motion with native audio.
Key Features
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Speed-optimized generation Faster processing for quick turnaround, perfect for iteration and prototyping.
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33% lower cost $0.80 per 5 seconds vs $1.20 for the standard version.
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Image-faithful generation Preserves the reference image's subject identity, composition, and style.
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Multi-image reference support Guide generation with up to 4 reference images.
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Native audio-visual synchronization Generates video with synchronized audio in a single pass.
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Director-level control Camera movement, lighting, and character performance controlled through prompts.
Parameters
| Parameter | Required | Description |
|---|---|---|
| image | Yes | Start image URL to guide the video generation |
| prompt | Yes | Detailed description of the cinematic scene |
| last_image | No | Last frame image URL for video continuation |
| duration | No | Video length: 5 (default), 10, or 15 seconds |
| aspect_ratio | No | Output format: 16:9, 9:16, 4:3, 3:4, 1:1, 21:9 (default: adaptive) |
| resolution | No | Output resolution: 480p, 720p (default), or 1080p |
| reference_images | No | Reference image URLs to guide style, characters, or composition |
| reference_videos | No | Reference video URLs (total length must not exceed 15 seconds) |
How to Use
- Upload a start image — provide an image to guide the video generation.
- Write your prompt — describe the scene with cinematic detail.
- Set duration — choose 5, 10, or 15 seconds.
- Optionally add references — provide reference images or videos for style guidance.
- Run — submit and download your video.
Pricing
| Resolution | Duration | Without Reference Videos | With Reference Videos |
|---|---|---|---|
| 480p | 5 s | $0.60 | $1.20 |
| 480p | 10 s | $1.20 | $2.40 |
| 480p | 15 s | $1.80 | $3.60 |
| 720p | 5 s | $1.20 | $2.40 |
| 720p | 10 s | $2.40 | $4.80 |
| 720p | 15 s | $3.60 | $7.20 |
| 1080p | 5 s | $1.80 | $3.60 |
| 1080p | 10 s | $3.60 | $7.20 |
| 1080p | 15 s | $5.40 | $10.80 |
Billing Rules
- Base rate (480p): $0.60 per 5 seconds (without reference videos), $1.20 with reference videos
- 720p: 2x the 480p price
- 1080p: 3x the 480p price
- Duration options: 5, 10, or 15 seconds
Best Use Cases
- Rapid Prototyping — Quickly iterate on image-to-video concepts.
- High-Volume Production — Cost-effective generation for large content libraries.
- Product Animation — Fast turnaround on product shot animations.
- A/B Testing — Generate multiple variations from the same reference image.
Pro Tips
- Use Fast for iteration, switch to standard Seedance 2.0 for final quality.
- Upload high-quality reference images for best subject preservation.
- Start with 5s to iterate, then extend once the look is right.
Notes
- Native audio generation included.
- Up to 4 reference images can be uploaded.
- Duration options: 5, 10, or 15 seconds.
- Aspect ratio follows the input image composition.
Related Models
- Seedance 2.0 Image-to-Video — Standard version with highest quality.
- Seedance 2.0 Fast Text-to-Video — Fast text-guided video generation.
- Seedance 2.0 Text-to-Video — Standard text-guided video generation.