WLRouter
Models/Doubao Seedream 4.0
Model Code
doubao-seedream-4-0-250828
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Model overview

Image generationImage editingVisionChinese

Doubao Seedream 4.0 is ByteDance's Ark image generation and editing model for text-to-image, image-to-image, and multi-reference image creation.

Company: ByteDanceProvider: Volcengine Ark

Model capabilities

Input modalityT
Output modalityT
Text-to-image✓
Image editing✓
Multiple reference images✓
Group image generation✓
Up to 4K output✓
Streaming✓
Function calling×
Structured output×

Model pricing

Text-to-image$0.02985/image
Image-to-image$0.02985/image

Rate limits and context

Regioncn-beijing
Reference imagesUp to 10
Related outputsUp to 15 images
Output sizesUp to 4K
Output formatsJPEG / PNG
Response formatsURL / base64 JSON

API reference

EndpointPOST /v1/images/generations
SDKOpenAI-compatible

API code examples

Get API Key
import os
import requests

response = requests.post(
    "https://api.wlrouter.com/v1/images/generations",
    headers={
        "Authorization": f"Bearer {os.environ['WLROUTER_API_KEY']}",
        "Content-Type": "application/json",
    },
    json={
  "model": "doubao-seedream-4-0-250828",
  "prompt": "A clean product photo of a ceramic coffee cup on a white desk.",
  "n": 1,
  "size": "1024*1024"
}
)
response.raise_for_status()
print(response.json())