GptImage2ImageGenerationRequest(图像生成请求)
image_urls 为文生图；传入 image_urls 为图生图 / 改图 / 多图组图。model 外其余参数均为可选。{
"model": "gpt-image-2",
"prompt": "赛博朋克城市夜景，霓虹灯，雨后倒影",
"n": 1,
"size": "1024x1024",
"image_urls": [
"data:image/jpeg;base64,/9j/4AAQSkZJRgABAQ..."
],
"negative_prompt": "模糊,低质量,水印,文字",
"seed": 42,
"response_format": "url",
"metadata": {
"source": "my-app",
"case": "demo"
},
"quality": "auto",
"background": "auto",
"output_format": "png",
"output_compression": 80,
"moderation": "auto",
"input_fidelity": "high"
}