What is Seedance Fast?
Seedance Fast is a video model from ByteDance. In practical terms, the Seedance family is designed for controllable AI video generation from text, images, and supported reference media. Text and image-to-video generation.
On I2V, Seedance Fast supports Text to video, Image to video. Available output options include 480p, 720p, 1080p, with aspect-ratio behavior shown as 16:9, 9:16, 1:1, 4:3, 3:4, 21:9, adaptive. The same public model ID and credit balance work in Studio and through the task API.
What Seedance Fast can do
Input workflows
Seedance Fast exposes Text to video, Image to video. The model-locked Studio form only shows controls that apply to this model.
Output control
Configured output resolution: 480p, 720p, 1080p. Supported aspect-ratio behavior: 16:9, 9:16, 1:1, 4:3, 3:4, 21:9, adaptive.
Reference-led creation
Use source images, frames, or reference media when the selected mode accepts visual input.
Best uses for Seedance Fast
Short-form storytelling
Create self-contained shots for social posts, trailers, mood films, and narrative prototypes.
Product and campaign motion
Explore product reveals, camera movement, environments, and campaign concepts before a full production shoot.
Storyboard previsualization
Turn prompts or approved frames into moving references that help teams evaluate pacing and shot direction.
When to choose Seedance Fast
Choose this model when shot direction and input flexibility matter. Compare Standard, Fast, Mini, and Pro variants by supported modes, duration, resolution, and credit cost. I2V shows the exact valid configurations before you run the task, so model selection can be based on both capability and cost.
Seedance Fast FAQ
What is Seedance Fast?
Seedance Fast is a ByteDance video model available in I2V Studio and through the I2V task API. It supports Text to video, Image to video.
What inputs and outputs does Seedance Fast support?
Seedance Fast supports Text to video, Image to video. Output resolution is 480p, 720p, 1080p, with aspect-ratio behavior listed as 16:9, 9:16, 1:1, 4:3, 3:4, 21:9, adaptive. The live form is restricted to valid options for this model.
How much does Seedance Fast cost on I2V?
Seedance Fast starts at 5 credits ($0.06 using the current Mini Pack reference) for Text or image input, 480p · 5s. The pricing table lists other valid configurations.
Can I use Seedance Fast through an API?
Yes. Use the public model ID doubao-seedance-1-0-pro-fast-251015 with POST /api/v1/jobs/createTask, then poll GET /api/v1/jobs/recordInfo until the task succeeds or fails. Studio and API share one credit balance.