Update multimodel_configs/models.json

multimodel_configs/models.json

@@ -19,14 +19,14 @@
     }
   },
   "google/nano-banana": {
-    "name": "google/nano-banana",
-    "display_name": "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", "2:3", "3:2", "3:4", "4:3", "4:5", "5:4", "9:16", "16:9", "21:9"],
+        "options": ["match_input_image", "1:1","16:9","9:16","3:4","4:3"],
         "default": "match_input_image",
         "show_in_ui": true
       },