Update app.py

app.py

@@ -64,7 +64,7 @@ def analyze_world_model(api_key, model_name, dataset_key, num_samples=25):
         cluster_texts[cluster_id].append(input_snippets[idx])
 
     # Initialize Gemini model
-    gemini_model = genai.GenerativeModel('gemini-1.5-flash') # Updated to a widely available version
+    gemini_model = genai.GenerativeModel('gemini-2.5-flash') # Updated to a widely available version
     
     state_info = "## 🧠 Newtonian State Interpretation\n"
     state_info += "Each state represents a discovered *Equivalence Class*.\n\n"