app.py

from fastapi import FastAPI
from transformers import pipeline

## create a new fastapi app instance
app = FastAPI()

pipe = pipeline("text2text-generation", model="google/flan-t5-small")

@app.get("/")
def home():
    return {"message":"Home page"}
    

@app.get("/generate")
def generate(text:str):
    ## use the pipeline to generate
    output = pipe(text)

    return {"output":output[0]['generated_text']}