You're looking at a specific version of this model. Jump to the model overview.

bytedance /seedream-4:3ee3b70d

Input schema

The fields you can use to run this model with an API. If you don’t give a value for a field its default value will be used.

Field Type Default value Description
size
None
2K
Image resolution: 1K (1024px), 2K (2048px), 4K (4096px), or 'custom' for specific dimensions.
aspect_ratio
None
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
None
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).
width
integer
2048

Min: 1024

Max: 4096

Custom image width (only used when size='custom'). Range: 1024-4096 pixels.
height
integer
2048

Min: 1024

Max: 4096

Custom image height (only used when size='custom'). Range: 1024-4096 pixels.
prompt
string
Text prompt for image generation
max_images
integer
1

Min: 1

Max: 15

Maximum number of images to generate when sequential_image_generation='auto'. Range: 1-15. Total images (input + generated) cannot exceed 15.
image_input
array
[]
Input image(s) for image-to-image generation. List of 1-10 images for single or multi-reference generation.
enhance_prompt
boolean
True
Enable prompt enhancement for higher quality results, this will take longer to generate.

Output schema

The shape of the response you’ll get when you run this model with an API.

Schema
{'items': {'format': 'uri', 'type': 'string'},
 'title': 'Output',
 'type': 'array'}