Motion study with audio
“Clip: autumn leaves spiral down a temple stairway as a monk climbs through them, camera gliding upward”
video model
Iterate AI video quickly with Seedance 2.0 Fast
Seedance 2.0 Fast is the speed-focused tier of ByteDance’s Seedance 2.0 family, generating 4 to 15 second clips at 720p with native audio at roughly 20% below the flagship per-second rate.
$0.242 / second at provider cost for members — see the full price breakdown
What you need to start
Describe the shot, motion, and sound — or add a start image to animate.
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Original results
Seedance 2.0 Fast examples made in Made
These examples use media produced for Made. Prompts are included when the production record allows them.
Image-to-video
“The rider whips the bike sideways mid-air and lands in a dust plume, camera low and tracking”
Creative scene
“Macro clip: molten sugar stretches into a glossy amber ribbon between gloved hands, studio light”
Start-frame control
“Use this image as the opening composition.”
Scene brief
“Set the scene as a still before describing its motion and sound.”
Composition brief
“Plan the shot as a still, then hand the motion to the model.”
Where Seedance 2.0 Fast fits best
Best uses
- Quicker takes that stay close to the flagship look
- High-volume social output with native audio
- Animating stills before committing to a flagship pass
- The same 4-to-15-second range as flagship Seedance 2.0
Limits to know
- Resolution tops out at 720p — the Fast endpoints have no 1080p or 4K tier.
- Fidelity sits below flagship Seedance 2.0; re-run keeper briefs on the flagship for the final master.
- Unlike the flagship, there is no optional end frame to guide the closing composition.
Specifications in Made
These are the controls exposed by Made, which may be narrower than a provider’s full API.
- Aspect ratios
- auto, 21:9, 16:9, 4:3, 1:1, 3:4, 9:16
- Resolution
- 720p (Made pins the billed tier)
- Duration
- 4–15 seconds
- Output formats
- MP4 with native audio
- Reference images
- 1
- Processing
- Speed tier of the Seedance 2.0 line; scales with duration.
How to use Seedance 2.0 Fast in Made
- 1
Write the shot with sound
Describe the subject, motion, camera, and the ambient audio — sound is generated natively.
- 2
Add a start image if needed
Upload a still to animate; Fast keeps its composition while adding motion and audio.
- 3
Choose format and length
Pick an aspect ratio from 21:9 to 9:16 (or auto) and a duration between 4 and 15 seconds.
- 4
Promote the keepers
Iterate here at the lower rate, then re-run winning briefs on flagship Seedance 2.0 or 2.5.
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