Update app.py

app.py

@@ -368,12 +368,12 @@ class ExerciseGenerator:
         self.tools = []
         self.connection_status = "Disconnected"
         
-        # Configure OpenAI client for OpenRouter with Mistral Medium 3.1
+        # Configure OpenAI client for OpenRouter with Mistral Medium 3
         self.openai_client = OpenAI(
             api_key=os.getenv("OPENROUTER_API_KEY"),
             base_url=os.getenv("OPENROUTER_BASE_URL", "https://openrouter.ai/api/v1"),
         )
-        self.model_name = "mistralai/mistral-medium-3.1"
+        self.model_name = "mistralai/mistral-medium-3"
     
     async def connect_to_ipmentor(self) -> str:
         """Connect to IPMentor MCP server"""
@@ -1224,7 +1224,7 @@ def create_interface():
         # Subnetting Exercise Generator
         
         Generate validated IPv4 subnetting exercises automatically. The agentic system uses AI to create realistic scenarios 
-        and validates each exercise using [IPMentor](https://agents-mcp-hackathon-ipmentor.hf.space)'s calculation tools with MCP and Mistral Medium 3.1 as LLM Client.
+        and validates each exercise using [IPMentor](https://agents-mcp-hackathon-ipmentor.hf.space)'s calculation tools with MCP and Mistral Medium 3 as LLM Client.
         """)
         
         with gr.Row():