OpenAIMediumUltra

GPT Image 2

OpenAI's state-of-the-art image generation and editing model with strong instruction following, sharp text rendering, and detailed editing. Quality-based pricing lets you trade off cost vs. fidelity.

480 credits

per image (high/auto); 176 for medium, 45 for low

Strong prompt and instruction following

Sharp typography and text rendering

Image editing via input_images (composition/edit)

Quality tiers: low / medium / high / auto

Transparent or opaque background 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.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": "openai/gpt-image-2",
  "input": {
    "prompt": "A photorealistic close-up portrait of an elderly Japanese ceramicist with deep wrinkles and a warm smile, carefully inspecting a freshly glazed tea bowl in his rustic sun-drenched workshop.",
    "aspect_ratio": "3:2",
    "quality": "high",
    "output_format": "webp"
  }
}'

Parameters

Parameter	Type	Required	Default	Description
`prompt`	string	Yes	-	A text description of the desired image
`input_images`	array	No	-	Array of image URLs to use as input for editing or composition
`aspect_ratio`	string	No	1:1	Output aspect ratio 1:13:22:3
`quality`	string	No	auto	Quality tier — sharper but slower and more expensive at higher tiers lowmediumhighauto
`background`	string	No	auto	Set background mode (transparent backgrounds not supported) autoopaque
`output_format`	string	No	webp	Output image format webppngjpeg
`output_compression`	integer	No	90	Compression level (0-100) for webp/jpeg output
`moderation`	string	No	auto	Content moderation level autolow
`number_of_images`	integer	No	1	Limited to 1 — call multiple times for batches

How to Provide File Input

There are 3 ways to provide files for the input_images 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=openai/gpt-image-2" \
  -F 'input={"prompt":"your prompt here"}' \
  -F "file:input_images=@your_file.png"

Image URL

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

{
  "model": "openai/gpt-image-2",
  "input": {
    "prompt": "your prompt here",
    "input_images": ["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

Photorealistic Portrait

Generate a high-fidelity portrait with rich detail

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "openai/gpt-image-2",
  "input": {
    "prompt": "A photorealistic close-up portrait of an elderly Japanese ceramicist with deep wrinkles and a warm smile, carefully inspecting a freshly glazed tea bowl in his rustic sun-drenched workshop.",
    "aspect_ratio": "3:2",
    "quality": "high",
    "output_format": "webp"
  }
}'