Voice-to-email response system with Telegram, OpenAI Whisper & 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 17 nodes and runs on Gmail events (plus 1 other trigger). Along the way it connects OpenAI Chat Model, Telegram, OpenAI and Gmail.
How it runs
Trigger: On Gmail events (plus 1 other trigger).
- In the Inbox? (If): checks a condition and branches into true / false
- Is Type Audio Message + Reply? (If): checks a condition and branches into true / false
- Does Email Need a Response? (Basic LLM Chain): sends a prompt to an LLM, with model: OpenAI Chat Model; output parser: Structured Output Parser
- Get Audio File (Telegram): work with file
- It needs to be an audio message + a reply! (Telegram): uses Telegram
- Needs a response? (If): checks a condition and branches into true / false
- OpenAI: transcribe (audio)
- Set Chat ID (Edit Fields (Set)): sets 1 field: chat_id
- Write Polished Reply (Basic LLM Chain): sends a prompt to an LLM, with model: OpenAI Chat Model
- Text Email (Telegram): uses Telegram
…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.
- Still check Gmail Trigger below v1.4 runs as v1.4 (drafts skipped, max emails per poll) (New Email Received).
Nodes used (10)
- Structured Output Parser
@n8n/n8n-nodes-langchain.outputParserStructured - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Telegram
n8n-nodes-base.telegram - OpenAI
@n8n/n8n-nodes-langchain.openAi - Gmail Trigger
n8n-nodes-base.gmailTrigger - If
n8n-nodes-base.if - Telegram Trigger
n8n-nodes-base.telegramTrigger - Gmail
n8n-nodes-base.gmail - Basic LLM Chain
@n8n/n8n-nodes-langchain.chainLlm - Edit Fields (Set)
n8n-nodes-base.set
From the author
This workflow gives you the ability to reply to a long email with a voice note, rather than having to type everything out. ChatGPT will format your audio response and create an email draft for you. How it works When a new email arrives in your inbox, the…