Add gpt-3.5-turbo-16k (#3)

- Add gpt-3.5-turbo-16k (368c3ea60b5d4d870a666e2b8c237a4815df95c5)


Co-authored-by: Cora Kong <[email protected]>

app.py

@@ -463,7 +463,7 @@ with gradio.Blocks(title="ChatGPT", css=css) as demo:
                 with gradio.Box():
                     gradio.Markdown("See https://platform.openai.com/docs/api-reference/chat/create .")
                     chat_model = gradio.Dropdown(label="model", choices=[
-                        "gpt-3.5-turbo", "gpt-3.5-turbo-0301",
+                        "gpt-3.5-turbo", "gpt-3.5-turbo-0301", "gpt-3.5-turbo-16k",
                         "gpt-4", "gpt-4-0314", "gpt-4-32k", "gpt-4-32k-0314",
                     ], value="gpt-3.5-turbo")
                     chat_temperature = gradio.Slider(label="temperature", value=1, minimum=0, maximum=2)