app.py

import gradio as gr
from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline

model_name = "facebook/blenderbot-1B-distill"
tokenizer = AutoTokenizer.from_pretrained(model_name)
model = AutoModelForCausalLM.from_pretrained(model_name)
chatbot_pipeline = pipeline("text2text-generation", model=model, tokenizer=tokenizer)

def chatbot_response(user_input, history):
    response = chatbot_pipeline(user_input, max_length=100, do_sample=False)[0]["generated_text"]
    return response

chatbot = gr.ChatInterface(fn=chatbot_response)
chatbot.launch(share=True)