GoogleFastStandard

Imagen 4 Fast

A fast version of Imagen 4 for when speed and cost are more important than maximum quality.

46 credits

per image

Lowest-cost tier in the Imagen 4 family

Fast generation optimized for iteration speed

Configurable safety filter strictness

Common aspect ratio presets for social and marketing use

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": "google/imagen-4-fast",
  "input": {
    "prompt": "The photo: Create a cinematic, photorealistic medium shot capturing the dynamic energy of a high-octane action film.",
    "aspect_ratio": "4:3",
    "output_format": "jpg"
  }
}'

Parameters

Parameter	Type	Required	Default	Description
`prompt`	string	Yes	-	Text prompt for image generation
`aspect_ratio`	string	No	1:1	Aspect ratio of the generated image 1:19:1616:93:44:3
`safety_filter_level`	string	No	block_only_high	block_low_and_above is strictest; block_only_high is most permissive block_low_and_aboveblock_medium_and_aboveblock_only_high
`output_format`	string	No	jpg	Format of the output image jpgpng

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

Action Film Style

A dynamic, high-energy action-film-style shot

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "google/imagen-4-fast",
  "input": {
    "prompt": "The photo: Create a cinematic, photorealistic medium shot capturing the dynamic energy of a high-octane action film.",
    "aspect_ratio": "4:3",
    "output_format": "jpg"
  }
}'