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/bytedance-seed/seedream-4-5

D

ByteDance Seed: Seedream 4.5

Seedream 4.5 is ByteDance's professional image generation and editing model with improved reference-image consistency, multi-image editing, typography, dense text rendering, composition, and visual fidelity. It is designed for professional creative workflows including posters, branding, advertising, product visuals, and precise image editing.

Modetext、image β†’ text
Input price$0.04 per M tokens
Output priceβ€”
Context length
Listed at2025-11-28T00:00:00Z

ByteDance Seed

Latencyβ€”
Throughputβ€”
Upload rateβ€”
Context lengthβ€”
Max outputβ€”
Input price$0.04per request
Output priceβ€”per request
Cache readβ€”per request
Cache writeβ€”per request

Performance

Avg TPSβ€”
Avg latencyβ€”
Avg success rateβ€”
TPSβ€”
TTFTβ€”
Latencyβ€”
Success rateβ€”

Success rate

Speed

Code Example

curl ${API_BASE_URL}/v1/images/generations \
  -H "Authorization: Bearer <YOUR_API_KEY>" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seedream-4-5",
    "prompt": "Describe the image you want"
  }'

Replace <YOUR_API_KEY> with the API key generated on your token management page.

Authentication

All requests must include the Authorization: Bearer <TOKEN> header.

Endpoint Path

POST
images

Supported Parameters

ParameterTypeDefaultDescription
string-Specifies the output image size or resolution.
booleanfalseWhether to add a watermark to the generated image.
array-Reference images used for image generation or editing.
stringdisabledControls whether to generate a single image or a related image set.

Rate Limits

GroupRPMTPMRPD

RPM = requests per minute, TPM = tokens per minute, RPD = requests per day. Limits apply by token group.

Pricing

ProviderBilling typePrice summary
D
Doubao
Per call
Input price$0.04per request
Completion price$β€”per request
Cache read price$β€”per request
Cache write price$β€”per request