{
  "gpt_default": {
    "name": "gpt_default",
    "display_name": "GPT (Default)",
    "supports_image_input": true,
    "is_default": true,
    "parameters": {
      "size": {
        "type": "select",
        "options": ["auto", "1024x1024", "1536x1024", "1024x1536"],
        "default": "auto",
        "show_in_ui": true,
        "mapping": {
          "1024x1024": "1:1",
          "1536x1024": "3:2", 
          "1024x1536": "2:3"
        }
      }
    }
  },
  "google/nano-banana": {
    "name": "google/imagen-4-ultra",
    "display_name": "Google Model",
    "supports_image_input": true,
    "is_default": false,
    "parameters": {
      "aspect_ratio": {
        "type": "select",
        "options": ["match_input_image", "1:1","16:9","9:16","3:4","4:3"],
        "default": "match_input_image",
        "show_in_ui": true
      },
      "output_format": {
        "type": "select",
        "options": ["jpg", "png"],
        "default": "png",
        "show_in_ui": false
      }
    }
  }
}