Update app.py

app.py

@@ -4,7 +4,7 @@ import re
 
 def generate_question(role, topic, difficulty_level):
     prompt = f"Generate an interview question for the role of {role} on the topic of {topic} with difficulty level {difficulty_level}."
-    llm = ChatGoogleGenerativeAI(model="gemini-2.5-pro-exp-03-25", google_api_key=st.secrets["GOOGLE_API_KEY"])
+    llm = ChatGoogleGenerativeAI(model="gemini-2.0-flash-lite", google_api_key=st.secrets["GOOGLE_API_KEY"])
     response = llm.invoke(prompt)
     response = response.content
  
@@ -12,7 +12,7 @@ def generate_question(role, topic, difficulty_level):
 
 def evaluate_answer(question, user_answer):
     prompt = f"Question: {question}\nUser's Answer: {user_answer}\nEvaluate the answer, give a score out of 100, and provide feedback. Also, provide the best possible answer."
-    llm = ChatGoogleGenerativeAI(model="gemini-2.5-pro-exp-03-25", google_api_key=st.secrets["GOOGLE_API_KEY"])
+    llm = ChatGoogleGenerativeAI(model="gemini-2.0-flash-lite", google_api_key=st.secrets["GOOGLE_API_KEY"])
     response = llm.invoke(prompt)
    
     evaluation = response.content