Seedance 2.0 Fast makes 4 to 15 second clips with sound from text, frames or references, finishes sooner than Seedance 2.0 and costs fewer credits per second. Generate with Seedance 2.0 Fast below.
Specifications
Seedance 2.0 Fast is the quicker, lower-priced version of ByteDance's Seedance 2.0. On SeedVideo AI it makes 4 to 15 second clips from text, a first frame, first and last frames, up to 9 reference images or up to 3 reference videos, with sound generated in the same pass. Text and reference generations go up to 1080p; when you start from a frame, the choices are 480p and 720p. The list price is 3.75 credits per second at 720p (1.74 at 480p, 8.47 at 1080p), about $0.19 to $0.56 per second depending on plan. Pick Seedance 2.5 for 30-second clips, or Seedance 2.0 Mini for the lowest price.
| Model | ByteDance's Seedance 2.0 Fast (Volcano Engine version doubao-seedance-2-0-fast-260128), the speed-tuned variant of Seedance 2.0. |
|---|---|
| Inputs | Text, a first frame, first and last frames, reference images, or reference videos. |
| Clip length | 4 to 15 seconds per generation; 5 seconds by default. |
| Resolution | 480p, 720p or 1080p from text or references. From a first frame (or first and last frames): 480p or 720p. |
| Aspect ratios | 16:9, 9:16, 1:1, 4:3, 3:4, 21:9 and adaptive. |
| Sound | Voice, effects and music generated in the same pass; on by default and can be switched off. |
| References | Up to 9 reference images and up to 3 reference videos (MP4 or MOV, 2 to 15 seconds each, up to 50 MB). |
| Credits per second (list) | 1.74 at 480p, 3.75 at 720p, 8.47 at 1080p. With a reference video, billing is (reference seconds + output seconds) × 1.06 / 2.29 / 5.16. Reference images add nothing. |
| Plan rates | Lite charges 10% fewer credits per second, Pro 30% fewer, Premium 31% fewer; credit packs charge the list rate. Lite tops out at 720p. |
| Who can use it | Every paid plan (Lite, Pro, Premium) and every one-time credit pack. Not the free plan. |
Official ByteDance sources
The background clip on this page is Seedance 2.0 showcase footage, not a Seedance 2.0 Fast sample.
Last updated:
Straight answers
Price per second, how much faster it is, the limits, and which plans include it.
01
3.75 credits per second at 720p at list price, 2.59 on Premium. In US dollars that is about $0.19 (Pro, billed yearly) to $0.56 (Starter pack) per second at 720p. A 5-second 720p clip is 19 credits at list.
02
Median time from submit to finished video on this platform: about 3 min 40 s at 720p versus about 7 minutes for Seedance 2.0, and 3 min 10 s versus 4 min 50 s at 480p. At 1080p the two take about the same time.
03
15 seconds per clip, up to 1080p from text or references and 720p from a first frame, 9 reference images and 3 reference videos. No 4K; for that, use Seedance 2.0.
04
Lite, Pro and Premium, and every one-time credit pack. On Premium, clips of up to 10 seconds without a reference video cost no credits while the 7-day Seedance unlimited window runs.
Workflow
The same four steps for text, for a first frame, and for reference-led generation.
The composer on this page has it preselected. In the full generator, pick "Seedance 2.0 Fast" from the model menu.
Describe the subject, the action, the camera and the sound. Prompts can run to 10,000 characters.
A first frame, a first and last frame pair, up to 9 reference images, or up to 3 reference videos of 2 to 15 seconds.
Choose 4 to 15 seconds, 480p to 1080p and the aspect ratio, check the credit quote, and submit.
Comparison
Same clip length, inputs and references. Fast costs less and finishes sooner; Seedance 2.0 keeps 4K and 1080p from a first frame.
| Feature | Seedance 2.0 Fast | Seedance 2.0 |
|---|---|---|
| Clip length | 4 to 15 seconds | 4 to 15 seconds |
| Resolution | 480p, 720p, 1080p | 480p, 720p, 1080p, 4K |
| From a first frame | 480p or 720p | Every resolution |
| Credits per second (list) | 1.74 / 3.75 / 8.47 (480p / 720p / 1080p) | 2 / 4 / 10 (480p / 720p / 1080p); 23 at 4K |
| Median time to finish (720p) | About 3 min 40 s | About 7 min |
| References and sound | 9 images, 3 videos; sound in the same pass | 9 images, 3 videos; sound in the same pass |
Vendor reference: ByteDance Seed official site
Where it fits
Anything where you want several takes quickly before committing credits to a final render.
01
Try a prompt three or four times at 480p or 720p, then render the keeper on Seedance 2.0 or 2.5.
02
9:16 clips up to 15 seconds with dialogue, effects or music generated alongside the picture.
03
Up to 9 photos of a product, outfit or character carried into a new shot at up to 1080p.
04
Start from a first frame, or a first and last frame, and get the motion in between at 720p.
Same family
Same account, same credits, same asset library.
01
Seedance 2.0 has the same inputs and length, adds 4K, and keeps 1080p when you start from a first frame.
See Seedance 2.0 for 4K output02
Seedance 2.0 Mini runs 1.16 credits per second at 480p and 2.5 at 720p, and it is included on the free plan.
Try Seedance 2.0 Mini free online03
Seedance 2.5 runs to 30 seconds, takes up to 30 reference images and 10 videos, and can edit or extend a finished video.
See Seedance 2.5 for 30-second videoFAQ
How it differs from Seedance 2.0, Mini and 2.5, references, unlimited, free use, and how this platform relates to ByteDance.
Seedance 2.0 Fast on SeedVideo AI
Prompt, optional frames or references, length, resolution, submit. The credit quote shows before you generate.
Open the generator