ByteDanceFastHigh

Seedream 5.0 Flash Text to Image

ByteDance Seedream 5.0 Flash text-to-image via Fal.AI. Fast, low-cost image generation built for workflows where speed and budget matter, with strong realism and typography, at 1K-2K output.

63 credits

per image (63 credits/image, same price at every size)

Fast, budget-friendly generation

Strong realism and in-image typography

Automatic aspect ratio with auto_1K / auto_2K presets

Up to 6 images per request, flat price per image

Run it right now

Test this model instantly in the Console Playground — no code required

Use with AI Assistant

Copy usage instructions for Claude, ChatGPT, or other AI

llms.txtllms.txt ↗

Quick Start

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "bytedance/seedream/v5/flash/text-to-image",
  "input": {
    "prompt": "Vibrant editorial of a model in contemporary fashion fused with West African textile patterns and beadwork, bold aesthetic, saturated palette, dramatic studio lighting, striking contemporary portraiture",
    "image_size": "auto_2K",
    "output_format": "jpeg"
  }
}'

Parameters

Parameter	Type	Required	Default	Description
`prompt`	string	Yes	-	The text prompt used to generate the image.
`image_size`	string	No	auto_2K	Output size preset. auto_1K / auto_2K pick the aspect ratio automatically; total pixels are between 1024x1024 and 2048x2048. Same price for every size. auto_2Kauto_1Ksquare_hdportrait_4_3portrait_16_9landscape_4_3landscape_16_9
`num_images`	integer	No	1	Number of separate generations to run, one image each (1-6). Charged per image.
`output_format`	string	No	jpeg	The file format of the generated image. jpegpng
`enable_safety_checker`	boolean	No	true	If set to true, the safety checker will be enabled.

Common Parameters

Common parameters used when calling POST /v1/predictions.

Parameter	Type	Required	Default	Description
`model`	string	Yes	-	Model identifier
`input`	object	Yes	-	Object containing the model-specific parameters from the table above
`output_folder`	string	No	-	Folder path for output files (max 256 chars, '..' not allowed)
`webhook_url`	string	No	-	Webhook URL to call on completion
`is_public`	boolean	No	false	If true, output files are also available via permanent public URLs

Examples

Editorial fashion portrait

A saturated studio editorial at auto 2K.

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "bytedance/seedream/v5/flash/text-to-image",
  "input": {
    "prompt": "Vibrant editorial of a model in contemporary fashion fused with West African textile patterns and beadwork, bold aesthetic, saturated palette, dramatic studio lighting, striking contemporary portraiture",
    "image_size": "auto_2K",
    "output_format": "jpeg"
  }
}'

Café poster with text

A portrait poster with legible headline typography, three variations.

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "bytedance/seedream/v5/flash/text-to-image",
  "input": {
    "prompt": "Minimal café poster, a steaming latte on a wooden table, headline text 'SLOW MORNINGS' in bold serif at the top",
    "image_size": "portrait_4_3",
    "num_images": 3
  }
}'