Telegram AI bot assistant: ready-made template for voice & text messages
Needs changesNeeds changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 12 nodes and runs on Telegram events. Along the way it connects OpenAI Chat Model, Telegram and OpenAI.
How it runs
Trigger: On Telegram events.
- Determine content type (Switch): routes items into 2 branches
- Send Typing action (Telegram): send chat action
- Combine content and set properties (Edit Fields (Set)): sets 3 fields: CombinedMessage, Message Type , Source Type
- Download voice file (Telegram): work with file
- Send error message (Telegram): uses Telegram
- AI Agent: runs an AI agent, with model: OpenAI Chat Model; memory: Window Buffer Memory
- Convert audio to text (OpenAI): transcribe (audio)
- Send final reply (Telegram): uses Telegram
- Correct errors (Telegram): uses Telegram
Services it uses
Before you upgrade to n8n 3.0
1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:
- AI Agent v1 (old agent modes) in AI Agent (v1.1): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) AI Agent (v1.1) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (8)
- OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow - Telegram
n8n-nodes-base.telegram - Telegram Trigger
n8n-nodes-base.telegramTrigger - Edit Fields (Set)
n8n-nodes-base.set - OpenAI
@n8n/n8n-nodes-langchain.openAi - AI Agent
@n8n/n8n-nodes-langchain.agent - Switch
n8n-nodes-base.switch
From the author
Free template for voice & text messages with short-term memory This n8n workflow template is a blueprint for an AI Telegram bot that processes both voice and text messages. Ready to use with minimal setup. The bot remembers the last several messages (10 by…