change to gpt-4o

config.py

@@ -26,12 +26,12 @@ You are a university-level instructional support chatbot. Your sole purpose in t
 
 ### Model Configuration
 
-# - **Model:** GPT-4o
+# - **Model:** gpt-4o
 #   - Context Length: 128K
 #   - Input Cost per 1M Tokens: $2.50
 #   - Output Cost per 1M Tokens: $10.00
 #
-# - **Model:** GPT-4o-mini
+# - **Model:** gpt-4o-mini
 #   - Context Length: 128K
 #   - Input Cost per 1M Tokens: $0.15
 #   - Output Cost per 1M Tokens: $0.60
@@ -47,7 +47,7 @@ You are a university-level instructional support chatbot. Your sole purpose in t
 #   - Output Cost per 1M Tokens: $12.00
 
 # The model_name refers to the name of the model you want to use. You can choose from the following models: 
-ai_model = "gpt-4o-mini"
+ai_model = "gpt-4o"
 
 # Temperature refers to the randomness/creativity of the responses. A higher temperature will result in more random/creative responses. It varies between 0 and 1.
 temperature = 0.1