Update llm.py

Updated language model versions

llm.py

@@ -3,7 +3,7 @@ import openai
 
 class MessageChatCompletion:
     def __init__(self,
-                 model: str = 'gpt-3.5-turbo-0125',
+                 model: str = 'gpt-5-mini',
                  message: str = '',
                  api_key: str = '',
                  temperature: float = 0.10,
@@ -20,7 +20,7 @@ class MessageChatCompletion:
         self.api_key = api_key
         openai.api_key = self.api_key
 
-        if model in ["gpt-4", "gpt-4-turbo-preview", "gpt-3.5-turbo", "gpt-3.5-turbo-0125"]:
+        if model in ["gpt-4o","gpt-4o-mini","gpt-5-mini","gpt-5"]:
             self.endpoint = "https://api.openai.com/v1/chat/completions"
         else:
             self.endpoint = "https://api.openai.com/v1/completions"