How to build a Telegram AI bot

pip install python-telegram-bot openai

from telegram import Update
from telegram.ext import Application, CommandHandler, MessageHandler, filters, ContextTypes
from openai import OpenAI

TELEGRAM_TOKEN = "YOUR_TELEGRAM_BOT_TOKEN"
client = OpenAI(
    api_key="YOUR_ACEDATA_API_KEY",
    base_url="https://api.acedata.cloud/v1",
)

async def start(update: Update, context: ContextTypes.DEFAULT_TYPE):
    await update.message.reply_text("Hi! I'm an AI bot. Send me a message!")

async def handle_message(update: Update, context: ContextTypes.DEFAULT_TYPE):
    user_message = update.message.text

    response = client.chat.completions.create(
        model="gpt-4o",
        messages=[{"role": "user", "content": user_message}],
    )

    reply = response.choices[0].message.content
    await update.message.reply_text(reply)

def main():
    app = Application.builder().token(TELEGRAM_TOKEN).build()
    app.add_handler(CommandHandler("start", start))
    app.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, handle_message))
    app.run_polling()

if __name__ == "__main__":
    main()

# Store conversation per user
conversations = {}

async def handle_message(update: Update, context: ContextTypes.DEFAULT_TYPE):
    user_id = update.effective_user.id
    if user_id not in conversations:
        conversations[user_id] = []

    conversations[user_id].append({
        "role": "user",
        "content": update.message.text,
    })

    response = client.chat.completions.create(
        model="gpt-4o",
        messages=conversations[user_id],
    )

    reply = response.choices[0].message.content
    conversations[user_id].append({"role": "assistant", "content": reply})
    await update.message.reply_text(reply)