Transcribe & analyze Telegram voice messages with AssemblyAI & GPT-4.1 to Gmail
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 11 nodes and runs on Telegram events (message). Along the way it connects Telegram, OpenAI and Gmail. It also calls api.assemblyai.com over HTTP.
How it runs
Trigger: On Telegram events (message).
- Route: Text vs Audio (Switch): routes items into 2 branches
- Get a file (Telegram): work with file
- Upload Audio to Assembly AI (HTTP Request): calls api.assemblyai.com (POST)
- Request Transcript from AssemblyAI (HTTP Request): calls api.assemblyai.com (POST)
- Wait: waits 10 seconds
- Get Transcript (HTTP Request): calls an HTTP API
- If: checks a condition and branches into true / false
- Transcript Analysis (AI) (OpenAI): uses OpenAI
- Send Analysis Email (Gmail): uses Gmail
Services it uses
HTTP calls to: api.assemblyai.com
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 (9)
- Telegram
n8n-nodes-base.telegram - Wait
n8n-nodes-base.wait - If
n8n-nodes-base.if - HTTP Request
n8n-nodes-base.httpRequest - Switch
n8n-nodes-base.switch - OpenAI
@n8n/n8n-nodes-langchain.openAi - Gmail
n8n-nodes-base.gmail - No Operation, do nothing
n8n-nodes-base.noOp - Telegram Trigger
n8n-nodes-base.telegramTrigger
From the author
Telegram Voice → AI Summary & Sentiment Analysis via Gmail This n8n template demonstrates how to capture Telegram voice messages, transcribe them into text using AssemblyAI, analyze the transcript with AI for summary and sentiment insights, and finally…