Update app.py

app.py

@@ -1293,7 +1293,14 @@ prompt_template = ChatPromptTemplate.from_messages([
 ])
 
 # Create Langchain Agent
-llm = ChatOpenAI(model="gpt-4o", temperature=0.7)
+llm = ChatOpenAI(
+    model="gpt-4o",  # Use GPT-4 optimized model
+    temperature=0.8,  # Balanced creativity and adherence
+    max_tokens=2000,  # Ensure sufficient output length
+    top_p=0.9,  # Nucleus sampling for diverse outputs
+    frequency_penalty=0.0,  # Prevent repetitive responses
+    presence_penalty=0.6  # Encourage introducing new topics
+)
 llm_with_tools = llm.bind_tools(tools)
 
 # Define the agent pipeline