app.py

import streamlit as st
from g4f.client import Client

client = Client()

st.set_page_config(
    page_title="GPT-4o Chat",
    page_icon="📝",
    layout="centered"
)

if "chat_history" not in st.session_state:
    st.session_state.chat_history = []

st.title("GPT-4o-mini Chat 🤖")

for message in st.session_state.chat_history:
    with st.chat_message(message['role']):
        st.markdown(message['content'])

user_prompt = st.chat_input("Ask GPT-4o-mini")

if user_prompt:
    st.chat_message("user").markdown(user_prompt)
    st.session_state.chat_history.append({"role": "user", "content": user_prompt})

    response = client.chat.completions.create(
        model="gpt-4o-mini",
        messages=[
            {"role": "system", "content": "You are a helpful assistant"},
            *st.session_state.chat_history
        ]
    )
    final_response = response.choices[0].message.content
    st.session_state.chat_history.append({"role": "assistant", "content": final_response})
    with st.chat_message("assistant"):
        st.markdown(final_response)