Update leaderboard_data.json

leaderboard_data.json

@@ -1,5 +1,57 @@
 {
   "leaderboard": [
+    {
+      "model": "Nano Banana",
+      "link": "https://ainanobanana.io/",
+      "hf": "-",
+      "open_source": false,
+      "release_date": "2025-08",
+
+      "Overall": 88.82,
+
+      "Style": 98.83,
+
+      "World Knowledge": 95.78,
+
+      "Attribute-Overall": 93.06,
+      "Quantity": 88.24,
+      "Expression": 86.09,
+      "Material": 93.05,
+      "Size": 93.70,
+      "Shape": 88.73,
+      "Color": 97.31,
+
+      "Action-Overall": 83.93,
+      "Hand": 84.57,
+      "Full body": 84.95,
+      "Animal": 81.16,
+      "Non Contact": 83.41,
+      "Contact": 78.16,
+      "State": 86.28,
+
+      "Relationship-Overall": 91.59,
+      "Composition": 90.98,
+      "Similarity": 91.32,
+      "Inclusion": 92.80,
+      "Comparison": 91.91,
+
+      "Compound-Overall": 90.63,
+      "Imagination": 92.15,
+      "Feature matching": 87.23,
+
+      "Grammar-Overall": 89.33,
+      "Pronoun Reference": 94.84,
+      "Consistency": 89.24,
+      "Negation": 84.51,
+
+      "Layout-Overall": 94.04,
+      "2D": 94.77,
+      "3D": 93.12,
+
+      "Logical Reasoning": 81.27,
+
+      "Text": 69.75
+    },
     {
       "model": "GPT-4o",
       "link": "https://platform.openai.com/docs/guides/image-generation",