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MODEL IDopenai:gpt-image@2
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GPT Image 2

OpenAI
by OpenAI

GPT Image 2 is a general-purpose GPT Image family model for text-to-image generation and image editing. Its strengths include strong prompt adherence, readable embedded text, detailed edits, photorealistic rendering, and structured visual outputs such as posters, packaging, product comps, diagrams, and other layout-sensitive images.

GPT Image 2

API Options

Platform-level options for task execution and delivery.

taskType

stringrequiredvalue: imageInference

Identifier for the type of task being performed

taskUUID

stringrequiredUUID v4

UUID v4 identifier for tracking tasks and matching async responses. Must be unique per task.

outputType

stringdefault: URL

Image output type.

Allowed values3 values

outputFormat

stringdefault: JPG

Specifies the file format of the generated output. The available values depend on the task type and the specific model's capabilities.

  • `JPG`: Best for photorealistic images with smaller file sizes (no transparency).
  • `PNG`: Lossless compression, supports high quality and transparency (alpha channel).
  • `WEBP`: Modern format providing superior compression and transparency support.
**Transparency**: If you are using features like background removal or LayerDiffuse that require transparency, you must select a format that supports an alpha channel (e.g., `PNG`, `WEBP`, `TIFF`). `JPG` does not support transparency.
Allowed values3 values

outputQuality

integermin: 20max: 99default: 95

Compression quality of the output. Higher values preserve quality but increase file size.

webhookURL

stringURI

Specifies a webhook URL where JSON responses will be sent via HTTP POST when generation tasks complete. For batch requests with multiple results, each completed item triggers a separate webhook call as it becomes available.

Learn more1 resource

deliveryMethod

stringdefault: sync

Determines how the API delivers task results.

Allowed values2 values
Returns complete results directly in the API response.
Returns an immediate acknowledgment with the task UUID. Poll for results using getResponse.
Learn more1 resource

uploadEndpoint

stringURI

Specifies a URL where the generated content will be automatically uploaded using the HTTP PUT method. The raw binary data of the media file is sent directly as the request body. For secure uploads to cloud storage, use presigned URLs that include temporary authentication credentials.

Common use cases:

  • Cloud storage: Upload directly to S3 buckets, Google Cloud Storage, or Azure Blob Storage using presigned URLs.
  • CDN integration: Upload to content delivery networks for immediate distribution.
// S3 presigned URL for secure upload
https://your-bucket.s3.amazonaws.com/generated/content.mp4?X-Amz-Signature=abc123&X-Amz-Expires=3600

// Google Cloud Storage presigned URL
https://storage.googleapis.com/your-bucket/content.jpg?X-Goog-Signature=xyz789

// Custom storage endpoint
https://storage.example.com/uploads/generated-image.jpg

The content data will be sent as the request body to the specified URL when generation is complete.

safety

object

Content safety checking configuration for image generation.

Properties1 property
safety » checkContent

checkContent

booleandefault: false

Enable or disable content safety checking.

ttl

integermin: 60

Time-to-live (TTL) in seconds for generated content. Only applies when outputType is URL.

includeCost

booleandefault: false

Include task cost in the response.

Inputs

Input resources for the task (images, audio, etc). These must be nested inside the inputs object.

inputs » referenceImages

referenceImages

array of stringsmin items: 1max items: 16

List of reference images (UUID, URL, Data URI, or Base64).

Core Parameters

Primary parameters that define the task output.

numberResults

integermin: 1max: 20default: 1

Number of results to generate. Each result uses a different seed, producing variations of the same parameters.

model

stringrequiredvalue: openai:gpt-image@2

Identifier of the model to use for generation.

positivePrompt

stringrequiredmin: 2max: 32000

Text prompt describing elements to include in the generated output.

width

integerrequiredmin: 16max: 3840step: 16

Width of the generated media in pixels.

height

integerrequiredmin: 16max: 3840step: 16

Height of the generated media in pixels.

Provider Settings

Parameters specific to this model provider. These must be nested inside the providerSettings.openai object.

providerSettings » openai » moderation

moderation

stringdefault: auto

Content moderation level.

Allowed values2 values
Standard filtering that limits creating certain categories of potentially age-inappropriate content.
Less restrictive filtering.
providerSettings » openai » quality

quality

stringdefault: auto

Image quality level.

Allowed values4 values
Automatically selects optimal quality based on context.
Maximum quality with enhanced detail and refinement.
Balanced quality suitable for most use cases.
Faster generation with acceptable quality for rapid iteration.
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