Update models.json

models.json

@@ -1229,6 +1229,12 @@
         "created": 1626777600,
         "owned_by": "pollinations.ai"
     },
+  {
+        "id": "openai-xlarge",
+        "object": "model",
+        "created": 1626777600,
+        "owned_by": "pollinations.ai"
+    },
     {
         "id": "openai-reasoning",
         "object": "model",