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Seedream 4.5

ByteDanceModel IDseedream-4-5
B

Seedream 4.5

ByteDanceModel IDseedream-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 → Text
Input price$0.04 / request
Output priceUnknown
Context lengthUnknown

Capabilities & limits

Use cases
Not available
Model capabilities
Not available
Model Brand
ByteDance
Input modality
Text / Image
Output modality
Text
Max output
Unknown

Pricing

ProviderBilling typePrice summary
B
ByteDance-Balanced
Per call
Input price$0.04per request
Completion price—
Cache read price—
Cache write price—
B
ByteDance-Custom
Per call
Input price$0.04per request
Completion price—
Cache read price—
Cache write price—

Integration

Code Example

curl http://127.0.0.1:4179/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

RPM

No rate limits configured

RPM = requests per minute.