app.py

import gradio as gr
# import random
from huggingface_hub import InferenceClient as ic

client = ic("microsoft/phi-4")


def respond(message, history):

    messages = [{"role": "system", "content": "You are a friendly chatbot!"}]

    if history:
        messages.extend(history)
    
    messages.append({"role": "user", "content": message})

    response = client.chat_completion(messages, max_tokens = 100)
            
    return response['choices'][0]['message']['content'].strip()


chatbot = gr.ChatInterface(respond, type = 'messages', title = 'Friendly Chatbot') #chatbot UI = conversation history and user input

chatbot.launch()