Update app.py

app.py

@@ -19,8 +19,8 @@ config = {
 }
 
 RAG_OFF     = "Off"
-RAG_CHROMA  = "Chroma"
-RAG_MONGODB = "MongoDB"
+RAG_MONGODB = "MongoDB" # serverless
+RAG_CHROMA  = "Chroma"  # requires persistent storage (small is $0.01/hour)
 
 def invoke(openai_api_key, prompt, rag_option):
     if (openai_api_key == ""):
@@ -75,14 +75,14 @@ gr.close_all()
 demo = gr.Interface(fn = invoke, 
                     inputs = [gr.Textbox(label = "OpenAI API Key", type = "password", lines = 1, value = "sk-"), 
                               gr.Textbox(label = "Prompt", value = "What are GPT-4's media capabilities in 5 emojis and 1 sentence?", lines = 1),
-                              gr.Radio([RAG_OFF, RAG_CHROMA, RAG_MONGODB], label = "Retrieval-Augmented Generation", value = RAG_OFF),],
+                              gr.Radio([RAG_OFF, RAG_MONGODB], label = "Retrieval-Augmented Generation", value = RAG_OFF),],
                     outputs = [gr.Textbox(label = "Completion", lines = 1)],
                     title = "Context-Aware Multimodal Reasoning Application",
                     description = os.environ["DESCRIPTION"],
                     examples = [["sk-", "What are GPT-4's media capabilities in 5 emojis and 1 sentence?", RAG_MONGODB],
-                                ["sk-", "List GPT-4's exam scores and benchmark results.", RAG_CHROMA],
+                                ["sk-", "List GPT-4's exam scores and benchmark results.", RAG_MONGODB],
                                 ["sk-", "Compare GPT-4 to GPT-3.5 in markdown table format.", RAG_MONGODB],
-                                ["sk-", "Write a Python program that calls the GPT-4 API.", RAG_CHROMA],
+                                ["sk-", "Write a Python program that calls the GPT-4 API.", RAG_MONGODB],
                                 ["sk-", "What is the GPT-4 API's cost and rate limit? Answer in English, Arabic, Chinese, Hindi, and Russian in JSON format.", RAG_MONGODB],],
                                 cache_examples = False)