app.py

import gradio as gr
from gradio.mix import Parallel

title="My Firsty Text Generator"
Description="Input text."

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

gr.Parallel(model,model2,model3,title=title, description=description).launch()