ByteDance Seed
Latency—
Throughput—
Upload rate—
Context length—
Max output—
Input price$0.04per request
Output price—per request
Cache read—per request
Cache write—per request
Console
Sign in
/bytedance-seed/seedream-4-5
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 → text
Input price$0.04 per M tokens
Output price—
Context length
Listed at2025-11-28T00:00:00Z
Performance
Avg TPS—
Avg latency—
Avg success rate—
TPS—
TTFT—
Latency—
Success rate—
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
imagesSupported 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
Doubao0%
Per call
Input price$0.04per request
Completion price$—per request
Cache read price$—per request
Cache write price$—per request
Doubao0%
Per call
Input price$0.04per request
Completion price$—per request
Cache read price$—per request
Cache write price$—per request
Doubao0%
Per call
Input price$0.04per request
Completion price$—per request
Cache read price$—per request
Cache write price$—per request