Seedance 2.0 Fast (Text-to-Video) generates cinematic videos from text prompts with native audio-visual synchronization, director-level camera and lighting control, and exceptional motion stability — optimized for faster generation at lower cost. Built on Seed's unified multimodal architecture.
Bezczynny
$0.5za uruchomienie·~20 / $10
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README
Seedance 2.0 Fast Text-to-Video
Seedance 2.0 Fast is the speed-optimized version of Seed's latest video generation model. The Text-to-Video mode generates cinematic videos from text prompts with native audio synchronization — faster and at 33% lower cost than the standard version, ideal for rapid iteration and high-volume production.
Key Features
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Speed-optimized generation Faster processing for quick turnaround on video projects, perfect for iteration and prototyping.
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33% lower cost $0.80 per 5 seconds vs $1.20 for the standard version — ideal for high-volume production.
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Unified multimodal architecture Same Seedance 2.0 foundation handling text, image, audio, and video inputs.
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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, shadows, and character performance controlled through prompts.
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Strong motion stability Coherent motion with stable subjects and fluid transitions.
Parameters
| Parameter | Required | Description |
|---|---|---|
| prompt | Yes | Detailed description of the cinematic scene |
| aspect_ratio | No | Output format: 16:9 (default), 9:16, 4:3, 3:4, 1:1, 21:9 |
| duration | No | Video length in seconds: 4-15 (default: 5) |
| 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) |
| reference_audios | No | Reference audio URLs (total length must not exceed 15 seconds) |
How to Use
- Write your prompt — describe the scene with cinematic detail.
- Select aspect ratio — 16:9 for widescreen, 9:16 for vertical, 4:3 or 3:4 for classic formats.
- Set duration — choose any duration from 4 to 15 seconds.
- Optionally add references — provide reference images, videos, or audios for style guidance.
- Run — submit and download your video.
Pricing
| Resolution | Duration | Without Reference Videos | With Reference Videos |
|---|---|---|---|
| 480p | 5 s | $0.50 | $1.00 |
| 480p | 10 s | $1.00 | $2.00 |
| 480p | 15 s | $1.50 | $3.00 |
| 720p | 5 s | $1.00 | $2.00 |
| 720p | 10 s | $2.00 | $4.00 |
| 720p | 15 s | $3.00 | $6.00 |
| 1080p | 5 s | $2.50 | $5.00 |
| 1080p | 10 s | $5.00 | $10.00 |
| 1080p | 15 s | $7.50 | $15.00 |
Billing Rules
- Base rate (480p): $0.50 per 5 seconds (without reference videos), $1.00 with reference videos (2x base)
- 720p: 2x the 480p price
- 1080p: 5x the 480p price (2.5x the 720p price)
- Duration range: 4-15 seconds (continuous)
Best Use Cases
- Rapid Prototyping — Quickly iterate on concepts before committing to the standard version.
- High-Volume Production — Cost-effective generation for large content libraries.
- Social Media Content — Fast turnaround for short-form video needs.
- A/B Testing — Generate multiple variations efficiently to find the best creative direction.
Pro Tips
- Use Fast for iteration and testing, switch to standard Seedance 2.0 for final quality.
- Write prompts like a film director — include lighting, camera angles, and mood.
- Start with 5s to iterate, then extend once the look is right.
Notes
- Native audio generation included.
- Duration range: 4-15 seconds (continuous).
- For highest quality output, consider the standard Seedance 2.0.
Related Models
- Seedance 2.0 Text-to-Video — Standard version with highest quality.
- Seedance 2.0 Fast Image-to-Video — Fast image-guided video generation.
- Seedance 2.0 Image-to-Video — Standard image-guided video generation.