Seedance 2.0 Fast
Faster, cost-efficient Seedance 2.0 with identical multimodal support
Seedance 2.0 Fast is ByteDance's speed-optimised variant of Seedance 2.0, delivering the same native audio generation, multimodal reference support, and first/last frame control at faster turnaround and lower credit cost. For teams producing high volumes of audio-synced social content or running A/B creative tests, Seedance 2.0 Fast provides the same core capabilities without the additional compute time of the standard model. On Xarith, it sits alongside Seedance 2.0 Standard in the model picker.
All Seedance 2.0 features at faster speed
Seedance 2.0 Fast retains every capability of Seedance 2.0 — native audio, multimodal references, first/last frame control, and image-to-video — at significantly faster generation speed. For creative teams working to tight deadlines or producing multiple variants per brief, the speed advantage compounds across a session.
Lower cost for volume audio-video production
At a lower credit cost than Seedance 2.0 Standard, Fast is the practical choice for high-frequency social content calendars where audio-synced video is required at volume. Generate more content per credit budget without sacrificing the native audio and reference features that make Seedance 2.0 distinctive.
Capabilities
- Native audio generation
- Multimodal reference support
- First & last frame control
- Image-to-video
- Fast turnaround
Best for
- High-volume social content
- A/B creative testing
- Quick campaign drafts
How to generate with Seedance 2.0 Fast on Xarith
- 1
In Xarith, select Seedance 2.0 Fast for speed-priority audio-video content production.
- 2
Write your prompt with audio cues. Upload reference images if needed for character or product consistency.
- 3
Generate and download. Switch to Seedance 2.0 Standard when maximum quality is required for final delivery.
Frequently asked questions about Seedance 2.0 Fast
Seedance 2.0 Fast is the speed-optimised variant of ByteDance's Seedance 2.0, delivering native audio, multimodal references, and first/last frame control at faster speed and lower cost.
Slightly. Fast applies less compute for speed — the difference is most visible in complex scene compositions. For most social content and UGC formats it's negligible.
Yes — native audio generation is included, identical to Seedance 2.0 Standard.
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