Voice & text Telegram assistant with GPT-4.1-mini and conversation memory

Personal AI Assistant on Telegram Who It’s For: - This workflow is designed for developers, founders, community managers, and automation enthusiasts who want to bring a personal AI assistant directly into their Telegram chat. - It lets users interact naturally—either through text or voice messages—and get instant, AI-powered replies without switching apps or opening dashboards. ⚡ What It Does / How It Works 📥 Message Trigger: A Telegram Trigger node listens for incoming messages. 🧭 Smart Routing: A Switch node decides if the user sent a text or voice message. 🗣️ Voice to Text: If it’s voice, the workflow uses OpenAI Whisper Transcription to convert it into text. 🧠 AI Processing: The text is passed to an AI Agent powered by GPT-4.1-mini to understand intent and craft a response. 💬 Reply: The bot sends a clean, structured, and polite answer back to the user on Telegram. 🧠 Memory: A buffer memory node keeps short-term conversation history for a more contextual, human-like experience. 🧰 How to Set It Up: 1. Telegram Integration - Create a bot via @BotFather on Telegram. - - Add your Telegram API Key to n8n credentials. - Connect the Telegram Trigger and Send a Message nodes. 2. OpenAI Setup - Get your API key from platform.openai.com. - - Configure the OpenAI Chat Model and Transcribe a Recording nodes with GPT-4.1-mini. 3. Workflow Logic - Use the Switch node to detect message type (text or voice). - Route voice messages through transcription before sending them to the AI agent. - Add Simple Memory to maintain short conversational context. 4. Go Live - Activate the workflow. - Send a message or voice note to your bot. - Get instant replies from your personal AI assistant. 🚀 🛡️ Requirements: - n8n (self-hosted or cloud) - Telegram Bot API key - OpenAI API key (for GPT-4.1-mini) - Basic understanding of n8n nodes and connections 🌟 Why Use This Workflow: ✅ Hands-free experience: Just talk or type. 🧠 AI-powered responses: Natural language understanding with GPT. ⚡ Real-time interaction: Fast replies via Telegram. 🔁 Memory-aware conversations: Feels more human. 🧩 Modular design: Easily extend to other AI tools or platforms.