Model parameters

Use client.images.generate for generation and client.images.edit for edits. See the image generation guide for API setup and request examples.

Parameter	GPT Image 2
model	gpt-image-2
quality	low, medium, high, or auto
size	auto or a supported resolution; see size constraints
input_fidelity	Omit it. Image inputs are always processed at high fidelity.
output_format	png, jpeg, or webp
background	For transparent output, explicitly set transparent and use PNG or WebP.
output_compression	Use only for JPEG or WebP output, not PNG.

Transparent backgrounds are available in preview for gpt-image-2.

For the original prompts, inputs, and runnable workflows, see the pinned GPT Image 2 notebook.

  <header className="not-prose mb-8">
    <h2
      id="gpt-image-1.5-guide"
      className="m-0 text-3xl font-semibold text-default"
    >
      \{"GPT Image 1.5 reference"\}
    </h2>
    

      Overview and request settings for existing GPT Image 1.5 workflows.
    

  </header>