Voice & text control for Home Assistant using Telegram, Whisper & Gemini
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 18 nodes and runs on Telegram events (message) (plus 1 other trigger). Along the way it connects Telegram, OpenAI, MCP Client and Google Gemini Chat Model.
How it runs
Trigger: On Telegram events (message) (plus 1 other trigger).
- Voice or Text (Edit Fields (Set)): sets or maps fields
- Bot Is typing (Telegram): send chat action
- Process messages (Code): runs custom JavaScript code
- If: checks a condition and branches into true / false
- Home Agent (AI Agent): runs an AI agent, with model: Google Gemini Chat Model; 1 tool (Home assistant Connector); memory: Simple Memory
- Get Voice File (Telegram): work with file
- Reply Router (If): checks a condition and branches into true / false
- Speech to Text (OpenAI): transcribe (audio)
- Telegram Message Beautifier (Code): runs custom JavaScript code
- Respond to Webhook: sends the response back to the webhook caller
…plus 2 more steps. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (12)
- Telegram Trigger
n8n-nodes-base.telegramTrigger - Telegram
n8n-nodes-base.telegram - If
n8n-nodes-base.if - Code
n8n-nodes-base.code - Respond to Webhook
n8n-nodes-base.respondToWebhook - Edit Fields (Set)
n8n-nodes-base.set - OpenAI
@n8n/n8n-nodes-langchain.openAi - Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow - MCP Client Tool
@n8n/n8n-nodes-langchain.mcpClientTool - AI Agent
@n8n/n8n-nodes-langchain.agent - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - Chat Trigger
@n8n/n8n-nodes-langchain.chatTrigger
From the author
📝 Workflow Description This workflow creates a conversational bridge between Telegram / n8n Chat and Home Assistant. It allows users to control smart home devices or request information using natural language (text or voice). ⸻ 🔑 Key Features -…