Update app.py

app.py

@@ -92,9 +92,9 @@ def predict(message, model_type):
 	# conversational retrieval agent component construction - memory, prompt template, agent, agent executor
 	# specifying LLM to use
 	if (model_type==1):
-		llm =  ChatOpenAI(temperature = 0.1, model_name="gpt-3.5-turbo-16k", streaming=True, callbacks=[QueueCallback(q)])
+		llm =  ChatOpenAI(temperature = 0.1, model_name="gpt-3.5-turbo-16k-0613", streaming=True, callbacks=[QueueCallback(q)])
 	else:
-		llm =  ChatOpenAI(temperature = 0.1, model_name="gpt-4", streaming=True, callbacks=[QueueCallback(q)])
+		llm =  ChatOpenAI(temperature = 0.1, model_name="gpt-4-0613", streaming=True, callbacks=[QueueCallback(q)])
 
 	# This is needed for both the memory and the prompt
 	memory_key = "history"