Optionalb64_The base64-encoded JSON of the generated image. Default value for gpt-image-1,
and only present if response_format is set to b64_json for dall-e-2 and
dall-e-3.
Optionalrevised_For dall-e-3 only, the revised prompt that was used to generate the image.
OptionalurlWhen using dall-e-2 or dall-e-3, the URL of the generated image if
response_format is set to url (default value). Unsupported for
gpt-image-1.
Represents the content or the URL of an image generated by the OpenAI API.