Update app.py

app.py

@@ -36,7 +36,7 @@ def get_difficulty_parameters(difficulty_level):
                 "Use simple numbers and avoid complex algebraic expressions"
             ],
             "example_style": "Similar to standard homework problems",
-            "model": "claude-3-sonnet-20240229"
+            "model": "claude-3-5-sonnet-20241022"
         },
         2: {  # Easy
             "description": "easy, but requiring some thought",
@@ -47,7 +47,7 @@ def get_difficulty_parameters(difficulty_level):
                 "Use moderately complex numbers or expressions"
             ],
             "example_style": "Similar to quiz questions",
-            "model": "claude-3-sonnet-20240229"
+            "model": "claude-3-5-sonnet-20241022"
         },
         3: {  # Intermediate
             "description": "intermediate difficulty, testing deeper understanding",
@@ -58,7 +58,7 @@ def get_difficulty_parameters(difficulty_level):
                 "Use moderate algebraic complexity"
             ],
             "example_style": "Similar to midterm exam questions",
-            "model": "claude-3-sonnet-20240229"
+            "model": "claude-3-5-sonnet-20241022"
         },
         4: {  # Difficult
             "description": "challenging, requiring strong mathematical maturity",
@@ -69,7 +69,7 @@ def get_difficulty_parameters(difficulty_level):
                 "Use sophisticated mathematical reasoning"
             ],
             "example_style": "Similar to final exam questions",
-            "model": "claude-3-opus-20240229"
+            "model": "claude-3-5-sonnet-20241022"
         },
         5: {  # Very Difficult
             "description": "very challenging, testing mastery and creativity at a graduate level",
@@ -83,7 +83,7 @@ def get_difficulty_parameters(difficulty_level):
                 "Test deep theoretical understanding"
             ],
             "example_style": "Similar to graduate qualifying exams or advanced competition problems",
-            "model": "claude-3-opus-20240229"
+            "model": "claude-3-sonnet-20241022"
         }
     }