Create a 100% Free AI Chatbot for Telegram using Python.
OpenRouter website: https://openrouter.ai/
OpenRouter documentation: https://openrouter.ai/docs/quickstart
Commands used: pip install python-dotenv and also pip install pyTelegramBotAPI
Chapters:
00:00 Introduction: Chatbot with Python and LLM
00:20 Creating the Bot on Telegram (BotFather)
01:02 Obtaining the API Token
01:31 Installing Python libraries
01:44 Setting environment variables (.env)
02:43 Initializing the Bot and execution loop (Polling)
03:02 Creating the welcome command (/start)
03:57 Editing commands in BotFather
04:36 Creating a function to respond to all messages
05:38 Integration with OpenRouter (Free AI)
06:05 Generating the API key OpenRouter
07:01 Implementing the AI API call in the code
07:45 Selecting free models (e.g., Llama, DeepSeek)
08:21 Processing the AI response and sending it to Telegram
09:19 Final Chatbot test
09:53 How to change the Artificial Intelligence model
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