app.py

from fastapi import FastAPI
from transformers import pipeline

app = FastAPI()

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

@app.get("/")
def home():
    return {"Hello World!"}

@app.get("/generate")
def generate(prompt:str):
    output = pipe(prompt)
    return {"output":output[0]['generated_text']}