Best AI Chatbot for Telegram in 2026: Free & Self-Hosted

Looking for the best AI chatbot for Telegram? In this guide, we compare popular options and show you how to set up your own private, customizable AI bot for free.

Quick Comparison: Telegram AI Bots

Bot	Price	Privacy	Customization	Best For
Moltbot	Free*	Excellent	Full	Privacy-focused users
ChatGPT bots	$0-20/mo	Moderate	Limited	Quick setup
Custom bots	Free*	Excellent	Full	Developers

*Only pay for AI API usage

Why Self-Host Your Telegram Bot?

1. Privacy

Cloud bots see all your messages. With Moltbot, messages stay on your device.

2. No Rate Limits

Most cloud bots limit how much you can use them. Your bot, your rules.

3. Any AI Model

Switch between Claude, GPT-4, Gemini, or even local models like Llama.

4. Full Customization

Set personality, add commands, integrate with your own systems.

Setting Up Moltbot for Telegram

Prerequisites

• Computer with macOS, Windows, or Linux
• Node.js 18+
• Telegram account

Step 1: Install Moltbot

npm install -g moltbot

Step 2: Create a Telegram Bot

1. Open Telegram and search for @BotFather
2. Send /newbot
3. Follow prompts to name your bot
4. Copy the API token

Step 3: Connect to Moltbot

moltbot channels add telegram

Paste your bot token when prompted.

Step 4: Start the Bot

moltbot gateway

Your Telegram AI bot is now live!

Advanced Configuration

Custom Commands

Add slash commands to your bot:

moltbot config set telegram.commands '[
  {"command": "ask", "description": "Ask the AI a question"},
  {"command": "reset", "description": "Start fresh conversation"},
  {"command": "help", "description": "Show help"}
]'

Group Chat Support

Enable your bot in group conversations:

moltbot config set telegram.groups.enabled true

AI Personality

Customize how your bot responds:

moltbot config set ai.systemPrompt "You are a witty assistant who loves making puns. Keep responses short and fun."

Real-World Use Cases

Personal Knowledge Base

Train your bot on your notes, documents, or specific topics.

Customer Support

Automate first-line support for your business or project.

Language Learning

Practice conversations in any language with instant feedback.

Coding Assistant

Get help with coding questions directly in Telegram.

Privacy Comparison

Cloud Bots

User → Telegram → Bot Server → AI Provider → Bot Server → Telegram → User
       (encrypted)  (logs?)      (logs?)      (logs?)

Moltbot (Self-Hosted)

User → Telegram → Your Computer → AI Provider → Your Computer → Telegram → User
       (encrypted)  (your control)  (only prompt)   (your control)

With Moltbot, your conversations never touch third-party servers except for the AI provider, and even then, only the current prompt is sent.

Cost Breakdown

Moltbot

• Software: Free
• Hosting: Free (runs on your computer)
• AI API: $0.002-0.06 per 1K tokens

Typical Usage Costs

Messages/Day	Claude Cost	GPT-4 Cost
50	~$1/month	~$2/month
200	~$4/month	~$8/month
1000	~$15/month	~$30/month

Frequently Asked Questions

Can I use this bot in groups?

Yes! Enable group mode and the bot will respond when mentioned.

Does it work 24/7?

The bot runs when your computer is on. For 24/7 availability, run it on a server or Raspberry Pi.

Can I change AI models?

Absolutely. Switch between Claude, GPT-4, Gemini, or local models anytime.

Is it against Telegram’s ToS?

No. Telegram encourages bots. Just don’t spam or abuse the platform.

Getting Started

Ready to set up your own Telegram AI chatbot? Follow our complete guide:

→ Connect Telegram Bot Guide

Related Resources

• Install Moltbot — Installation guide
• Connect WhatsApp — Add WhatsApp too
• Connect Discord — For gaming communities

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Questions? Join our Discord or check the docs.