Seedance 2.0 Fast — lower-cost video at 480p and 720p
Seedance 2.0 Fast is the lower-cost version of ByteDance's Seedance 2.0: text-to-video, first and last frames, and image, video or audio references at 480p or 720p. From $0.0561 per second; a 5-second 720p clip costs $0.6035.
- Text to video
- First and last frame
- Image, video and audio references
- 480p and 720p
- 4–15 seconds
- Generated audio
Try Seedance 2.0 Fast before you write any code
Run Seedance 2.0 Fast with the exact request your code will send. Every parameter the API takes is here.
dreamina-seedance-2-0-fastfrom $0.0561/s
Describe the shot, add images, video or audio if you have them, and submit once. The video appears when the task completes.
The shot: subject, action, camera move, lighting and style.
Use images as references, as the first frame, or as the first and last frames.
Files are uploaded and sent as URLs.
Up to 9. Characters, products or styles to keep.
Files are uploaded and sent as URLs.
Up to 3, MP4 or MOV. Billed as input seconds at the reference rate.
Files are uploaded and sent as URLs.
Up to 3, WAV or MP3. Needs a reference image or video.
Output resolution. 720p is the default.
Default is adaptive: the frame follows your prompt or input.
A fixed length, or auto to let the model choose.
4–15 seconds. Default is 5.
Add sound that matches the picture. On by default.
Add a watermark to the video. Off by default.
Also return the final frame as an image, for chaining shots.
Seconds before an unfinished task expires, 3600–259200. Default 172800.
Whole number, 0–9.
An ID for your end user, up to 64 characters. A hash is fine.
On by default. Turning it off is available through the API only.
Greyed-out options relax content filtering. They are available through the API only, not in the playground.
Estimated at current rates from the video tokens of the selected resolution and length at 16:9; auto length is estimated at the longest clip. The charge follows the tokens the finished video reports.
Try one of these prompts
Sample clips generated with Seedance 2.0 Fast through this API
Seedance 2.0 Fast pricing
Seedance 2.0 Fast is billed per video token, so the price follows resolution and length. Below, every rate is shown as the price of one second of 16:9 video.
- Seedance 2.0 Fast
- $0.6035/clip
- Seedance 2.0 Fast
- 165seconds
All prices come from the rates that bill your account. Failed requests are not charged.
Seedance 2.0 Fast cost per second
One row per resolution, with and without a reference video. A reference video is billed at its own lower rate for the output and its own seconds.
| Category | Price · 1 second |
|---|---|
| 480P & reference video | $0.0330 |
| 480P | $0.0561 |
| 720P & reference video | $0.0710 |
| 720P | $0.1207 |
Seconds are priced at 16:9. Other aspect ratios have slightly different pixel counts, and the charge follows the tokens the finished video reports.
What is Seedance 2.0 Fast?
Seedance 2.0 Fast is a lower-cost version of ByteDance's Seedance 2.0 video model, sold as Dreamina Seedance 2.0 Fast. It takes the same prompts, frames and references as Seedance 2.0 and renders at 480p or 720p.
On SeedRouter you call Seedance 2.0 Fast with the official ModelArk request body. Submit once, get a task ID, and collect a hosted video URL when the task succeeds.
Video tokens = (output seconds + reference video seconds) × width × height × 24 / 1024. Text and image inputs are not billed.
Two ways to use Seedance 2.0 Fast
Call the API from your backend, or hand the job to a coding agent.
Call the API
Send the Seedance 2.0 Fast request from your server, keep the task ID, and read the finished video from the task.
- 1Create an API key
- 2POST the request body
- 3Poll the task until it succeeds
Let an agent do it
Copy a ready prompt into Claude Code, Codex or Cursor. It asks before spending and downloads the result.
- 1Copy the prompt
- 2Fill in what you want
- 3Approve the request
What Seedance 2.0 Fast is good at
Seedance 2.0 inputs and controls at a lower price per second, for work that does not need 1080p.
Text to video
Describe the shot and Seedance 2.0 Fast handles the motion, camera and lighting.
First and last frame
Give Seedance 2.0 Fast a start image, or a start and an end, and get the motion in between.
Mixed references
Combine up to 9 images, 3 clips and 3 audio tracks to keep a character, product or rhythm.
Sound included
Turn on generated audio and Seedance 2.0 Fast returns the clip with matching sound.
Built for 720p
Seedance 2.0 Fast renders 480p drafts and 720p finals, which covers most social and web video.
Every screen shape
Seedance 2.0 Fast renders 16:9, 9:16, square, 21:9, or adaptive to follow your input.
What teams use Seedance 2.0 Fast for
Social clips at volume
Seedance 2.0 Fast keeps the cost of daily 9:16 and 1:1 posts down.
Ad variants
Test many hooks and scenes with Seedance 2.0 Fast before you pay for a 1080p final.
Storyboards
Chain shots by feeding the returned last frame into the next Seedance 2.0 Fast request.
Photo to motion
Animate product and profile photos with Seedance 2.0 Fast from a first frame.
Previz
Block out camera moves at 480p with Seedance 2.0 Fast, then re-render the keeper.
In-app video
Give your users short generated clips without 1080p pricing on every request.
Start with Seedance 2.0 Fast in four steps
- 01
Create a key
Sign in, top up any amount, and create an API key. Credits never expire.
- 02
Send one request
POST the Seedance 2.0 Fast body to /v1/videos/generations with your prompt and any media URLs.
- 03
Poll the task
Keep the task ID and check it every 10–20 seconds until the status is completed.
- 04
Download the video
Save the hosted video URL from the task to your own storage.
Seedance 2.0 Fast at a glance
The facts that decide whether Seedance 2.0 Fast fits the job.
- Resolution
- 480p, 720p
- Clip length
- 4–15 seconds, or auto
- Inputs
- Text, images, video, audio
- Frame control
- First frame, or first and last frame
- Audio
- Optional generated sound
- Billing
- Per video token, shown per second
Need 1080p or 4K? See Seedance 2.0. Need the lowest price per second? See Seedance 2.0 Mini. Need clips up to 30 seconds? See Seedance 2.5.
What to know before you start
One video per request
Seedance 2.0 Fast returns one video per task. Send several requests for a batch.
Media is sent as URLs
Send Seedance 2.0 Fast images, clips and audio as public HTTP(S) links, not base64. The Playground uploads for you.
Results arrive by task
A Seedance 2.0 Fast request returns a task ID first. Poll it until the video is ready.
Tasks cannot be cancelled
Once submitted, a task runs to the end. Check the parameters before you send it.
Why run Seedance 2.0 Fast on SeedRouter
Pay per second of video
Seedance 2.0 Fast is billed on the tokens of the finished video, at the rates in the table above. No subscription, no minimum clip count.
Failed requests are free
If a task ends failed or expired, nothing is charged. You only pay for videos that are delivered.
Credits never expire
Top up once and use the balance whenever you need it.
Hosted results
Finished videos come back as URLs on our CDN. Keep a copy of anything you need long term.
One balance for every model
The same top-up pays for video and image models in the catalogue.
Other models on SeedRouter
Same balance, same task-based workflow.
Seedance 2.0 Fast guides
Practical guides to choosing, pricing and integrating the model.
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Learn how to make a Raindance AI video with two images, a motion reference and Seedance. Assign the roles, check live pricing and finish the soundtrack.
Make a Hotel Lobby AI duet with two character photos, the motion preset and Seedance. Review live costs, edit the prompt and download your video with sound.
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fal API pricing per model for Seedance 2.5, Seedance 2.0 and Nano Banana, read from fal model pages, with a tier-by-tier comparison against SeedRouter prices.
Higgsfield API pricing per model, how its launch discounts and $15 credit work, whether the API is free, and where Seedance and Nano Banana Pro cost less.
Kie API pricing per model for Seedance, Nano Banana and GPT Image, converted from Kie credits to dollars, next to a Kie API alternative with lower rates.
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Looking for a Replicate alternative? Compare Replicate prices for Seedance 2.0 and Nano Banana with SeedRouter, what is free on each, and how billing differs.
How to write Seedance 2.5 prompts: the core formula, camera language, timestamps, dialogue and sound syntax, references, edits, and what differs for 2.0.
Why Seedance rejects images and videos with real human faces, what the "may contain real person" error means, and the options ByteDance officially allows.
Seedance is made by ByteDance Seed, ByteDance's AI research team. Who owns it, how Seed and Seedance differ, the versions, where to use it and the API.
Is Seedance free? Where ByteDance offers Seedance 2.0 and 2.5 with free credits, why the API is paid, and what free unlimited Seedance sites really are.
Compare Seedance 2.0, Seedance 2.0 Fast and Seedance 2.0 Mini on resolution, price per second, render time and inputs, and pick the right one for each job.
Seedance 2.5 vs Seedance 2.0 compared: clip length, references, editing, resolution, price and release dates, and when the upgrade is worth it.
Use the Seedance API step by step: create a key, send a video task, poll it for the video URL, add image, video and audio references, and hand it to an agent.
Current Seedance API pricing for Seedance 2.0, 2.0 Fast, 2.0 Mini and 2.5: price per second at each resolution, how video tokens are counted, and what is free.
Seedance 2.0 Fast FAQ
What is Seedance 2.0 Fast?+
Seedance 2.0 Fast is a lower-cost version of ByteDance's Seedance 2.0 video model. It makes one video from a prompt, a first frame, first and last frames, or up to 9 images, 3 clips and 3 audio tracks, at 480p or 720p and 4 to 15 seconds, with optional sound.
Is Seedance 2.0 Fast free?+
ByteDance offers its Seedance models inside its own apps. The API is paid. On SeedRouter there is no subscription: you top up once, pay for the seconds you generate, and failed requests are free.
How much does Seedance 2.0 Fast cost?+
A 5-second 720p clip costs $0.6035. Seedance 2.0 Fast is billed per video token, which works out to a fixed price per second at each resolution; the table above shows every resolution at the live rate.
Seedance 2.0 Fast vs Seedance 2.0: what is the difference?+
Seedance 2.0 Fast costs less per second and renders at 480p or 720p. Seedance 2.0 adds 1080p and 4K. Both take the same request body and the same references, so switching is a one-word change.
Seedance 2.0 Fast vs Seedance 2.0 Mini: which is cheaper?+
Seedance 2.0 Mini has the lowest price per second of the family; Seedance 2.0 Fast sits between Mini and Seedance 2.0. Both render 480p and 720p, and the pricing table on each page shows the live rate.
How do I get an API key for Seedance 2.0 Fast?+
Create a SeedRouter account, add credit, and create a key in the dashboard. Use it as a Bearer token on the Seedance 2.0 Fast task endpoint.
Can I run Seedance 2.0 Fast locally?+
No. Seedance 2.0 Fast is a closed ByteDance model with no downloadable weights, so Seedance 2.0 Fast runs through an API only.
How long can a Seedance 2.0 Fast video be?+
Each Seedance 2.0 Fast task makes one clip of 4 to 15 seconds, or you can let the model choose the length. For longer pieces, chain clips with the returned last frame.
Generate your first Seedance 2.0 Fast video
Try Seedance 2.0 Fast in the Playground, then move the same request into your code.