text-to-video
Seedance 2.0 (Text-to-Video Fast) generates cinematic 720p/1080p videos from text prompts using fast upscaling from 480p — delivering high-resolution output at near-480p speed with native audio-visual synchronization, director-level control, and exceptional motion stability.
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$10でおよそ14回実行できます。
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README
Seedance 2.0 Text-to-Video Fast
Seedance 2.0 Text-to-Video Fast delivers high-resolution 720p and 1080p cinematic videos by generating at 480p and applying fast upscaling — giving you higher resolution output at near-480p speed with native audio-visual synchronization.
Key Features
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Fast upscaled output Generates at 480p internally then upscales to 720p or 1080p for faster delivery.
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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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Exceptional motion stability Industry-leading motion coherence 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: 5 (default), 10, or 15 seconds |
| resolution | No | Output resolution: 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) |
Pricing
| Resolution | Duration | Without Reference Videos | With Reference Videos |
|---|---|---|---|
| 720p | 5 s | $0.70 | $0.55 |
| 720p | 10 s | $1.40 | $1.10 |
| 720p | 15 s | $2.10 | $1.65 |
| 1080p | 5 s | $0.75 | $0.60 |
| 1080p | 10 s | $1.50 | $1.20 |
| 1080p | 15 s | $2.25 | $1.80 |
Billing Rules
- 720p rate: $0.70 per 5 seconds (without reference videos), $0.55 with reference videos
- 1080p rate: $0.75 per 5 seconds (without reference videos), $0.60 with reference videos
- Duration options: 5, 10, or 15 seconds
Best Use Cases
- Fast HD Content — Get 720p/1080p output at near-480p generation speed.
- High-Volume Production — Cost-effective high-resolution generation for large content libraries.
- Social Media Premium — Fast turnaround on HD short-form content.
- Rapid Prototyping — Quickly iterate on high-resolution concepts.
Pro Tips
- Use this endpoint when you need HD resolution but want faster generation than native 720p/1080p.
- Write prompts like a film director — include lighting, camera angles, and mood.
- Start with 5s to iterate, then extend to 10s or 15s for the final cut.
Notes
- Native audio generation included.
- Resolution options: 720p and 1080p only (generated via 480p + fast upscale).
- Duration options: 5, 10, or 15 seconds.
Related Models
- Seedance 2.0 Text-to-Video — Native resolution generation for highest quality.
- Seedance 2.0 Image-to-Video Fast — Fast upscaled image-to-video generation.
- Seedance 2.0 Fast Text-to-Video Fast — Fastest option with speed-optimized inference + fast upscale.