This Telegram bot uses OpenAI's GPT-4o-mini model via the AI SDK to provide intelligent responses to user messages.

• Responds to text messages using OpenAI's GPT-4o-mini
• Shows typing indicator while generating responses
• Handles errors gracefully
• Concise and friendly AI responses optimized for chat

1. TELEGRAM_TOKEN: Your Telegram bot token

   • Get this from @BotFather on Telegram
   • Create a new bot with /newbot command
   • Copy the token provided

2. OPENAI_API_KEY: Your OpenAI API key

   • Get this from OpenAI Platform
   • Create a new API key
   • Make sure you have credits in your OpenAI account

• /start - Welcome message and bot introduction
• Any text message - Gets an AI-generated response

• Uses Grammy framework for Telegram bot functionality
• Integrates AI SDK with OpenAI provider
• Configured to use GPT-4o-mini model (cost-effective and fast)
• Maximum response length: 500 tokens
• Includes system prompt for chat-optimized responses

• Validates required environment variables on startup
• Handles API errors gracefully with user-friendly messages
• Logs errors for debugging
• Only responds to text messages (ignores media, stickers, etc.)

1. Set up the required environment variables in Val Town
2. Deploy the val as an HTTP endpoint
3. Start chatting with your bot on Telegram!

The bot will automatically set up the webhook when it receives its first request.