Seedream 5.0 Lite

ByteDance Seedream 5.0 Lite text-to-image model with 2K/3K custom resolutions and configurable output format.

POST /seedream-5.0-lite/async

cURL

basic

curl --request POST \
  --url https://api.modellix.ai/api/v1/bytedance/seedream-5.0-lite/async \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "prompt": "A cinematic sunset over a futuristic city skyline"
}
'

200

{
  "code": 0,
  "message": "success",
  "data": {
    "status": "pending",
    "task_id": "task-seedream50lite001",
    "model_id": "bytedance/seedream-5.0-lite",
    "get_result": {
      "method": "GET",
      "url": "https://api.modellix.ai/api/v1/tasks/task-seedream50lite001"
    }
  }
}

Authorizations

Authorization · string · header · required

API Key authentication. Format: Bearer YOUR_API_KEY.

Body

application/json

prompt · string · required

Image description text, supports Chinese and English

Required string length: 1 - 600

Example:

"A futuristic city at sunset, ultra detailed"

size · string · default: 2048x2048

Image size in format 'widthxheight'. Seedream 5.0 Lite supports custom 2K/3K resolutions.

Example:

"3072x3072"

sequential_image_generation · enum<string> · default: disabled

Batch generation mode. 'auto': model-controlled batch generation, 'disabled': generate single image only.

Available options: auto, disabled

Example:

"auto"

sequential_image_generation_max_images · integer · default: 5

Maximum number of images for batch generation. This value is an upper limit, actual generated count may be less.

Required range: 1 <= x <= 15

Example:

3

optimize_prompt_mode · enum<string> · default: standard

Prompt optimization mode. Only 'standard' mode is supported.

Available options: standard

Example:

"standard"

output_format · enum<string> · default: jpeg

Output image format. Supported values: 'jpeg' and 'png'.

Available options: jpeg, png

Example:

"png"

Response

200

application/json

Task submitted successfully

code · integer · required

Response code, 0 indicates success

Example:

0

message · string · required

Response message

Example:

"success"

data · object · required

Detailed data about the submitted asynchronous task.

Show child attributes