← Back to all generators

bytedance/seedream-4

Unified text-to-image generation and precise single-sentence editing at up to 4K resolution

Capabilities

1:1 4:3 3:4 16:9 9:16 2:3 3:2 Reference Images

Cost

Community model (estimated from hardware time)

Input Parameters

prompt required string

Text prompt for image generation

aspect_ratio string

Image aspect ratio. Only used when size is not 'custom'. Use 'match_input_image' to automatically match the input image's aspect ratio.

Default: "match_input_image"
match_input_image 1:1 4:3 3:4 16:9 9:16 3:2 2:3 21:9
enhance_prompt boolean

Enable prompt enhancement for higher quality results, this will take longer to generate.

Default: true
height integer

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

Default: 2048 min: 1024, max: 4096
image_input array

Input image(s) for image-to-image generation. List of 1-10 images for single or multi-reference generation.

Default:
max_images integer

Maximum number of images to generate when sequential_image_generation='auto'. Range: 1-15. Total images (input + generated) cannot exceed 15.

Default: 1 min: 1, max: 15
sequential_image_generation string

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).

Default: "disabled"
disabled auto
size string

Image resolution: 1K (1024px), 2K (2048px), 4K (4096px), or 'custom' for specific dimensions.

Default: "2K"
1K 2K 4K custom
width integer

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

Default: 2048 min: 1024, max: 4096
Version: cf7d43199143 Updated: 2/26/2026 27.5M runs