Update app.py

app.py

@@ -14,8 +14,11 @@ def construct_index(directory_path):
 
     prompt_helper = PromptHelper(max_input_size, num_outputs, max_chunk_overlap, chunk_size_limit=chunk_size_limit)
 
-    
-    llm_predictor = LLMPredictor(llm=OpenAI(temperature=0.7, model_name="gpt-3.5-turbo", max_tokens=num_outputs))
+    # llm_predictor = LLMPredictor(llm=OpenAI(temperature=0.7, model_name="gpt-4", max_tokens=num_outputs))
+    # llm_predictor = LLMPredictor(llm=OpenAI(temperature=0.7, model_kwargs={'engine':'gpt-4'}, max_tokens=num_outputs))
+    # llm_predictor = LLMPredictor(llm=OpenAI(temperature=0.7, max_tokens=num_outputs))
+    # llm_predictor = LLMPredictor(llm=OpenAI(model_kwargs={'engine':'text-davinci-003'}))
+    llm_predictor = LLMPredictor(llm=OpenAI(temperature=0.7, max_tokens=num_outputs))
 
     documents = SimpleDirectoryReader(directory_path).load_data()