updated

app.py

@@ -4,7 +4,7 @@ import os
 from openai import OpenAI
 
 # API Key Input
-api_key = os.environ['OPENAI_API_KEY']
+api_key = os.environ['OosPENAI_API_KEY']
 client = OpenAI(
   api_key=api_key
 )
@@ -22,7 +22,7 @@ def generate_ai_response(prompt):
     """
     try:
         completion = openai.chat.completions.create(
-            model="gpt-4o",
+            model="gpt-3.5-turbo",
             messages=[
                 {
                     "role": "developer",