Telegram Group AI Bot (ChatGPT + Image Analysis)

I need a Telegram group bot with in-built AI (ChatGPT integration) for an active Telegram group.

Key Requirements:

The bot must respond only when tagged (e.g. @BotName) or via a command like /ask

Bot should work inside Telegram groups, not only in private chat

AI-powered replies using ChatGPT / LLM API

Natural, human-like answers (not predefined responses)

Image & Media Handling:

Users may send images/screenshots and tag the bot

Bot should analyze images using OCR / Vision AI

Bot must reply based on image content

Examples: exam notices, screenshots, question images, PDFs as images

Group Rules:

No automatic replies

No spam

Reply only on tag or command

Should handle large group activity (4,000+ members)

Technical Preferences:

Telegram Bot API

OpenAI / ChatGPT API or equivalent

Python or Node.js preferred

Clean and well-documented code

Easy setup and deployment instructions

Admin Controls:

Ability to:

Enable/disable image processing

Set daily query limits

Modify AI system prompt

Basic moderation controls

Deliverables:

Fully functional Telegram bot

Source code

Deployment & setup guide

Basic post-delivery support