xAIFastStandard

Grok Imagine Image

Generate images using xAI's Grok Imagine model over the direct xAI API - fast, low-cost text-to-image generation. For editing an existing image, use xai/grok-imagine-image/edit.

47 credits

per image

Fast, low-cost text-to-image generation

Up to 10 images per request (billed per image)

14 aspect ratio presets plus an auto option

1k / 2k output resolution tiers at the same price

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": "xai/grok-imagine-image",
  "input": {
    "prompt": "A futuristic city skyline at sunset, flying vehicles, neon reflections on glass towers",
    "aspect_ratio": "16:9"
  }
}'

Parameters

Parameter	Type	Required	Default	Description
`prompt`	string	Yes	-	Text prompt for image generation
`n`	integer	No	1	Number of images to generate (1-10). Billed per image.
`aspect_ratio`	string	No	auto	Aspect ratio of the generated image. auto1:116:99:164:33:43:22:32:11:219.5:99:19.520:99:20
`resolution`	string	No	-	Output resolution tier. Same price for both. 1k2k

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

Text-to-image generation

Generates a new image from a text prompt at a 16:9 aspect ratio.

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "xai/grok-imagine-image",
  "input": {
    "prompt": "A futuristic city skyline at sunset, flying vehicles, neon reflections on glass towers",
    "aspect_ratio": "16:9"
  }
}'

Batch variations

Generate 4 variations of the same prompt in one request.

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "xai/grok-imagine-image",
  "input": {
    "prompt": "A minimalist logo concept for a coffee brand, flat design",
    "n": 4,
    "aspect_ratio": "1:1"
  }
}'