Update app.py

app.py

@@ -29,8 +29,8 @@ client = OpenAI(api_key=API_KEY, base_url=BASE_URL)
 # 定义可用的模型列表
 AVAILABLE_MODELS = {
     'gpt-3.5-turbo': 'GPT-3.5 Turbo',
-    'gpt-4': 'GPT-4',
-    'gpt-4-turbo': 'GPT-4 Turbo',
+    'gpt-4o': 'GPT-4o',
+    'gpt-4o-mini': 'GPT-4o-mini',
 }
 
 # 存储用户会话信息
@@ -174,7 +174,7 @@ def generate_response_xml(from_user_name, to_user_name, output_content):
     response.content_type = 'application/xml'
     return response
 
-def get_openai_response(messages, model="gpt-3.5-turbo", functions=None, function_call=None):
+def get_openai_response(messages, model="gpt-4o-mini", functions=None, function_call=None):
     try:
         response = client.chat.completions.create(
             model=model,
@@ -232,7 +232,7 @@ def wechatai():
         user_message_content, from_user_name, to_user_name = getUserMessageContentFromXML(xml_str)
         
         if from_user_name not in user_sessions:
-            user_sessions[from_user_name] = {'model': 'gpt-3.5-turbo', 'messages': [], 'pending_response': []}
+            user_sessions[from_user_name] = {'model': 'gpt-4o-mini', 'messages': [], 'pending_response': []}
 
         session = user_sessions[from_user_name]