Update models

Author: tipani86

src/app_config.py

@@ -11,10 +11,10 @@
 
 # Settings for OpenAI NLP models. Here, NLP tokens are not to be confused with user chat or image generation tokens
 
-NLP_MODEL_NAME = "gpt-4-turbo"
+NLP_MODEL_NAME = "gpt-4o"
 NLP_MODEL_MAX_TOKENS = 16000
-NLP_MODEL_FUNCTIONS_TOKENS = 1000
-NLP_MODEL_REPLY_MAX_TOKENS = 2000
+NLP_MODEL_FUNCTIONS_TOKENS = 2000
+NLP_MODEL_REPLY_MAX_TOKENS = 4000
 
 # Basic prompt settings (more customized need to be imported through config files)