{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Image",
  "type": "object",
  "properties": {
    "url": {
      "type": "string",
      "description": "The URL of the generated image, if response_format is url. The URL is valid for 60 minutes."
    },
    "b64_json": {
      "type": "string",
      "description": "The base64-encoded JSON of the generated image, if response_format is b64_json."
    },
    "revised_prompt": {
      "type": "string",
      "description": "The prompt that was used to generate the image, if there was any revision to the prompt. Only present for DALL-E 3 and gpt-image-1."
    }
  }
}