Creative studioGeneratedModels
Seedream 4.5
Creative Studio image model reference for the public API.
Seedream 4.5
Public model ID: seedream-45
Asset type: image
Category: Generation
Starting credits: 0.2 (defaults: 0.2)
Prompt required.
Start a generation
curl -s -X POST "$API_BASE_URL/v1/creative-studio/generations" \
-H "Authorization: Bearer vsl_YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
"modelId": "seedream-45",
"prompt": "Your prompt here",
"image_input": ["https://example.com/reference.jpg"],
"size": "2K"
}' | jqPoll GET /v1/creative-studio/generations/{id} until status is completed. Completed generations return outputUrl on cdn.videoslash.com.
Media parameters
| Name | Type | Constraints | Default | Description |
|---|---|---|---|---|
image_input | array | optional · max items: 14 | [] | Input image(s) for image-to-image generation. List of 1-14 images for single or multi-reference generation. |
Settings parameters
| Name | Type | Constraints | Default | Description |
|---|---|---|---|---|
size | enum | optional · enum: 2K, 4K | 2K | Image resolution: 2K (2048px) or 4K (4096px). Note: 1K resolution is not supported in Seedream 4.5. |
aspect_ratio | enum | optional · enum: match_input_image, 1:1, 4:3, 3:4, 16:9, 9:16, 3:2, 2:3, 21:9 | match_input_image | Image aspect ratio. Only used when size is not 'custom'. Use 'match_input_image' to automatically match the input image's aspect ratio. |
sequential_image_generation | enum | optional · enum: disabled, auto | disabled | Group image generation mode. 'disabled' generates a single image. 'auto' lets the model decide whether to generate multiple related images (e.g., story scenes, character variations). |
max_images | integer | optional · min: 1 · max: 15 | 1 | Maximum number of images to generate when sequential_image_generation='auto'. Range: 1-15. Total images (input + generated) cannot exceed 15. |
disable_safety_checker | boolean | optional | false | Disable the safety checker for generated images. When enabled, input moderation is relaxed to only block illegal content (CSAM). Use responsibly. |