WLRouter
Models/Doubao Seedance 2.0 Fast
Model Code
doubao-seedance-2-0-fast-260128
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Model overview

Video generationFastText to videoMultimodal input

Doubao Seedance 2.0 Fast is ByteDance's faster Seedance 2.0 video generation variant on Volcengine Ark.

Company: ByteDanceProvider: Volcengine Ark

Model capabilities

Input modalityT
Output modalityT
Text-to-video✓
Image-to-video✓
Video reference input✓
Audio reference input✓
Generate audio✓
Watermark control✓
Function calling×
Structured output×

Model pricing

480p / 720p, no input video$5.52/1M tokens
480p / 720p, with input video$3.28/1M tokens

Rate limits and context

Regioncn-beijing
Durations4-15s
Output resolutions480p / 720p
Frame rate24 FPS
Output formatMP4
Aspect ratios16:9 / 4:3 / 1:1 / 3:4 / 9:16 / 21:9 / adaptive

API reference

EndpointPOST /v1/video/generations
SDKOpenAI-compatible

API code examples

Get API Key
import os
import requests

response = requests.post(
    "https://api.wlrouter.com/v1/video/generations",
    headers={
        "Authorization": f"Bearer {os.environ['WLROUTER_API_KEY']}",
        "Content-Type": "application/json",
    },
    json={
  "model": "doubao-seedance-2-0-fast-260128",
  "prompt": "A calm sunrise over a modern city skyline.",
  "duration": 4,
  "resolution": "720p",
  "parameters": {
    "generateAudio": False
  }
}
)
response.raise_for_status()
print(response.json())