app.py

import os
import gradio as gr
# import openai
from openai import OpenAI

key = os.getenv('OPENAI_API_KEY')
client = OpenAI(api_key = key)

def chat(prompt):
    completion = client.chat.completions.create(model="gpt-3.5-turbo",
                                              messages=[{"role":"user", "content":prompt}])
    return completion.choices[0].message.content

demo = gr.Interface(fn=chat, inputs="text", outputs="text")
demo.launch()