Topaz LabsMediumUltra

Topaz Image Upscale

Professional-grade upscaling from Topaz Labs, the industry standard for photo enhancement. Five specialized enhance models, up to 6x upscale, subject detection, and optional face enhancement.

190 credits

per image

Industry-standard Topaz enhancement quality

5 enhance models: Standard / Low Resolution / CGI / High Fidelity / Text Refine

Up to 6x upscale

Subject detection (foreground/background)

Face enhancement with strength/creativity control

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": "topazlabs/image-upscale",
  "input": {
    "image": "https://example.com/photo.jpg",
    "enhance_model": "High Fidelity V2",
    "upscale_factor": "4x",
    "face_enhancement": true
  }
}'

Parameters

Parameter	Type	Required	Default	Description
`image`	string	Yes	-	Image to enhance
`enhance_model`	string	No	Standard V2	Standard V2 (general), Low Resolution V2 (low-res sources), CGI (digital art), High Fidelity V2 (detail-preserving), Text Refine (text-heavy) Standard V2Low Resolution V2CGIHigh Fidelity V2Text Refine
`upscale_factor`	string	No	None	How much to upscale ('None' enhances without enlarging) None2x4x6x
`output_format`	string	No	jpg	Output format jpgpng
`subject_detection`	string	No	None	Restrict enhancement to detected subjects NoneAllForegroundBackground
`face_enhancement`	boolean	No	false	Enhance faces in the image
`face_enhancement_creativity`	number	No	0	Choose the level of creativity for face enhancement from 0 to 1. Defaults to 0, and is ignored if face_enhancement is false.
`face_enhancement_strength`	number	No	0.8	Control how sharp the enhanced faces are relative to the background from 0 to 1. Defaults to 0.8, and is ignored if face_enhancement is false.

How to Provide File Input

There are 3 ways to provide files for the image parameter:

Recommended

Direct Upload (Multipart)

Attach files directly to POST /v1/predictions/upload. No separate upload step needed.

curl -X POST "https://api.core.today/v1/predictions/upload" \
  -H "X-API-Key: cdt_your_api_key" \
  -F "model=topazlabs/image-upscale" \
  -F 'input={"prompt":"your prompt here"}' \
  -F "file:image=@your_file.png"

Image URL

Pass a publicly accessible URL directly. You can also use file_url from the Storage API.

{
  "model": "topazlabs/image-upscale",
  "input": {
    "prompt": "your prompt here",
    "image": "https://example.com/image.jpg"
  }
}

See the File Upload docs for more upload methods including Presigned URLs.

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

Professional 4x Enlargement

High-fidelity 4x upscale for print

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "topazlabs/image-upscale",
  "input": {
    "image": "https://example.com/photo.jpg",
    "enhance_model": "High Fidelity V2",
    "upscale_factor": "4x",
    "face_enhancement": true
  }
}'