app.py

import gradio as gr
from gradio.mix import Parallel

title="My First Text Generator"
desciption=" Input text."
examples = [
    ["Once upon a time, "],
    ["Dr. Woo was teaching a coding workshop at Hong Kong True Light Colleage,"]
]

model1=gr.Interface.load("huggingface/EleutherAI/gpt-j-6B")
model2=gr.Interface.load("huggingface/gpt2")
model3=gr.Interface.load("huggingface/EleutherAI/gpt-neo-125M")

gr.Parallel(model1, model2, model3, title=title, desciption=desciption).launch()