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ByteDanceVideo generation

Seedance 2.0 — multimodal video generation up to 4K

Seedance 2.0 is ByteDance's video model: text-to-video, first and last frames, and image, video or audio references in one request. From $0.0909 per second; a 5-second 720p clip costs $0.9777.

Availablefrom $0.0909/s
  • Text to video
  • First and last frame
  • Image, video and audio references
  • 480p to 4K
  • 4–15 seconds
  • Generated audio
Model
Dreamina Seedance 2.0
Input
Text, images, video, audio
Output
One video, 480p to 4K
Model ID
dreamina-seedance-2-0

Try Seedance 2.0 before you write any code

Run Seedance 2.0 with the exact request your code will send. Every parameter the API takes is here.

Create video task

dreamina-seedance-2-0from $0.0909/s

Describe the shot, add images, video or audio if you have them, and submit once. The video appears when the task completes.

108

The shot: subject, action, camera move, lighting and style.

Use images as references, as the first frame, or as the first and last frames.

Reference images

Files are uploaded and sent as URLs.

0/9 files

Up to 9. Characters, products or styles to keep.

Reference videos

Files are uploaded and sent as URLs.

0/3 files

Up to 3, MP4 or MOV. Billed as input seconds at the reference rate.

Reference audio

Files are uploaded and sent as URLs.

0/3 files

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.

5
415

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.

Reference estimate~$0.97772

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.

…
Ready

Try one of these prompts

Sample clips generated with Seedance 2.0 through this API

Seedance 2.0 pricing

Seedance 2.0 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.

One 5-second 720p clip720p · 16:9 · 5 s · no reference video
Seedance 2.0
$0.9777/clip
Seedance 2.0 at the standard rate, without a reference video.
What $20.00 buysSeconds of 720p video
Seedance 2.0
102seconds
Longer clips cost proportionally more; 480p stretches the balance further.

All prices come from the rates that bill your account. Failed requests are not charged.

Seedance 2.0 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.

Categorydreamina-seedance-2-0
480P & reference video$0.0559Price · 1 second
480P$0.0909Price · 1 second
720P & reference video$0.1202Price · 1 second
720P$0.1955Price · 1 second
1080P & reference video$0.2956Price · 1 second
1080P$0.4838Price · 1 second
4K & reference video$0.6030Price · 1 second
4K$1.0050Price · 1 second

Seconds are priced at 16:9. Other aspect ratios have slightly different pixel counts, and the charge follows the tokens the finished video reports.

ItemHow it is measuredRateBilling
Seedance 2.0 · 480P · OutputVideo tokens of the delivered video$9.053 / 1MCharged from the finished video
Seedance 2.0 · 480P · With reference videoVideo tokens of the output plus the input video seconds$5.566 / 1MCharged from the finished video
Seedance 2.0 · 720P · OutputVideo tokens of the delivered video$9.053 / 1MCharged from the finished video
Seedance 2.0 · 720P · With reference videoVideo tokens of the output plus the input video seconds$5.566 / 1MCharged from the finished video
Seedance 2.0 · 1080P · OutputVideo tokens of the delivered video$9.955 / 1MCharged from the finished video
Seedance 2.0 · 1080P · With reference videoVideo tokens of the output plus the input video seconds$6.083 / 1MCharged from the finished video
Seedance 2.0 · 4K · OutputVideo tokens of the delivered video$5.17 / 1MCharged from the finished video
Seedance 2.0 · 4K · With reference videoVideo tokens of the output plus the input video seconds$3.102 / 1MCharged from the finished video
Failed requestsAny task that ends failed or expiredFreeNothing is charged

What is Seedance 2.0?

Seedance 2.0 is ByteDance's video generation model, sold as Dreamina Seedance 2.0. It turns a prompt, a first frame, or a mix of images, clips and audio into one video with optional sound, from 480p up to 4K.

On SeedRouter you call Seedance 2.0 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.

Resolutions
480p, 720p, 1080p, 4K
Length
4–15 seconds, or auto
Aspect ratios
16:9, 4:3, 1:1, 3:4, 9:16, 21:9, adaptive
References
Up to 9 images, 3 videos, 3 audio clips
Delivery
Task ID, then a hosted URL

Two ways to use Seedance 2.0

Call the API from your backend, or hand the job to a coding agent.

Backend

Call the API

Best for apps, pipelines and batch work

Send the Seedance 2.0 request from your server, keep the task ID, and read the finished video from the task.

  1. 1Create an API key
  2. 2POST the request body
  3. 3Poll the task until it succeeds
Agent

Let an agent do it

Best for one-off clips and prototypes

Copy a ready prompt into Claude Code, Codex or Cursor. It asks before spending and downloads the result.

  1. 1Copy the prompt
  2. 2Fill in what you want
  3. 3Approve the request

What Seedance 2.0 is good at

One model for most short-form video, from a single prompt to a shot built from your own assets.

Text to video

Describe the shot and Seedance 2.0 handles the motion, camera and lighting.

First and last frame

Give Seedance 2.0 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 returns the clip with matching sound.

Up to 4K

Draft at 480p, then render the keeper at 1080p or 4K with the same request.

Every screen shape

Seedance 2.0 renders 21:9 widescreen, 9:16 vertical, square, or adaptive to follow your input.

What teams use Seedance 2.0 for

Product ads

Animate a packshot into a short ad with Seedance 2.0, keeping the product from your reference images.

Social clips

Seedance 2.0 renders 9:16, 1:1 and 16:9 versions of one idea for every feed.

Storyboards

Chain shots by feeding the returned last frame into the next Seedance 2.0 request.

Music visuals

Add an audio reference and get Seedance 2.0 footage cut to its rhythm.

Photo to motion

Bring a still to life with Seedance 2.0 from the photo as the first frame.

Previz

Test camera moves and blocking with Seedance 2.0 at 480p before a real shoot.

Start with Seedance 2.0 in four steps

  1. 01

    Create a key

    Sign in, top up any amount, and create an API key. Credits never expire.

  2. 02

    Send one request

    POST the Seedance 2.0 body to /v1/contents/generations/tasks with your prompt and any media URLs.

  3. 03

    Poll the task

    Keep the task ID and check it every 10–20 seconds until the status is succeeded.

  4. 04

    Download the video

    Save the hosted video URL from the task to your own storage.

Create your API key

Seedance 2.0 at a glance

The facts that decide whether Seedance 2.0 fits the job.

FeatureSeedance 2.0
Resolution480p to 4K
Clip length4–15 seconds, or auto
InputsText, images, video, audio
Frame controlFirst frame, or first and last frame
AudioOptional generated sound
BillingPer video token, shown per second

Need a lower price per second at 480p or 720p? See Seedance 2.0 Fast and Seedance 2.0 Mini. Need clips up to 30 seconds or video editing? See Seedance 2.5.

What to know before you start

One video per request

Seedance 2.0 returns one video per task. Send several requests for a batch.

Media is sent as URLs

Send Seedance 2.0 images, clips and audio as public HTTP(S) links, not base64. The Playground uploads for you.

Results arrive by task

A Seedance 2.0 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 on SeedRouter

Pay per second of video

Seedance 2.0 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.

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Seedance 2.0 Fast
dreamina-seedance-2-0-fast

Generate video with Seedance 2.0 Fast: the same inputs as Seedance 2.0 at a lower price per second, at 480p or 720p for 4–15 seconds. Pay per second of video.

View pricing
Seedance 2.0 Mini
dreamina-seedance-2-0-mini

Generate video with Seedance 2.0 Mini, the lowest price per second in the Seedance 2.0 family: text, frames and references at 480p or 720p, 4–15 seconds.

View pricing
Seedance 2.5
dreamina-seedance-2-5

Generate, edit and extend video with Seedance 2.5: up to 30 seconds at 1080p, with up to 30 image, 10 video and 10 audio references. Pay per second of video.

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Seedance 2.0 FAQ

What is Seedance 2.0?+

Seedance 2.0 is ByteDance's video generation 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 to 4K and 4 to 15 seconds, with optional sound.

Is Seedance 2.0 free?+

ByteDance offers Seedance 2.0 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 cost?+

A 5-second 720p clip costs $0.9777. Seedance 2.0 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 vs Seedance 2.0 Fast vs Mini: which should I use?+

Seedance 2.0 is the only one of the three that renders 1080p and 4K. Seedance 2.0 Fast and Seedance 2.0 Mini stop at 720p and cost less per second, with Mini the lowest. All three take the same request body, so switching is a one-word change.

What is the difference between Seedance 2.0 and Seedance 2.5?+

Seedance 2.5 runs up to 30 seconds, takes up to 30 image references, and can edit or extend a video you give it. Seedance 2.0 goes up to 4K, while 2.5 stops at 1080p.

How do I get an API key for Seedance 2.0?+

Create a SeedRouter account, add credit, and create a key in the dashboard. Use it as a Bearer token on the Seedance 2.0 task endpoint.

Can I run Seedance 2.0 locally?+

No. Seedance 2.0 is a closed ByteDance model with no downloadable weights, so Seedance 2.0 runs through an API only.

How long can a Seedance 2.0 video be?+

Each Seedance 2.0 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 video

Try Seedance 2.0 in the Playground, then move the same request into your code.