Update leaderboard_data.json

leaderboard_data.json

@@ -1,5 +1,57 @@
 {
   "leaderboard": [
+        {
+      "model": "Stability-AI-stable-image-ultra",
+      "link": "https://platform.stability.ai/docs/api-reference#tag/Generate/paths/~1v2beta~1stable-image~1generate~1ultra/post",
+      "hf": "-",
+      "open_source": false,
+      "release_date": "2025-04",
+
+      "Overall": 61.96,
+
+      "Style": 87.20,
+
+      "World Knowledge": 87.18,
+
+      "Attribute-Overall": 66.35,
+      "Quantity": 67.36,
+      "Expression": 48.08,
+      "Material": 64.15,
+      "Size": 69.44,
+      "Shape": 64.38,
+      "Color": 91.67,
+
+      "Action-Overall": 59.22,
+      "Hand": 55.77,
+      "Full body": 58.15,
+      "Animal": 63.24,
+      "Non Contact": 61.22,
+      "Contact": 51.79,
+      "State": 64.15,
+
+      "Relationship-Overall": 69.04,
+      "Composition": 72.64,
+      "Similarity": 66.67,
+      "Inclusion": 70.11,
+      "Comparison": 62.50,
+
+      "Compound-Overall": 54.25,
+      "Imagination": 60.97,
+      "Feature matching": 47.40,
+
+      "Grammar-Overall": 61.10,
+      "Pronoun Reference": 78.68,
+      "Consistency": 58.33,
+      "Negation": 45.00,
+
+      "Layout-Overall": 64.55,
+      "2D": 67.28,
+      "3D": 61.74,
+
+      "Logical Reasoning": 31.59,
+
+      "Text": 39.08
+    },
     {
       "model": "HiDream_v2L",
       "link": "https://hidreamai.com/doc/txt2img/request",