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Voice & text assistant with Telegram, Gemini AI, Calendar, Gmail & Notion

Paul AbrahamPaul Abraham
1742 views
2/3/2026
AirtableShopifyCustomer SyncAutomationData Integration
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This n8n template demonstrates how to turn a Telegram bot into a personal AI-powered assistant that understands both voice notes and text messages. The assistant can transcribe speech, interpret user intent with AI, and perform smart actions such as managing calendars, sending emails, or creating notes.

Use cases

  • Hands-free scheduling with Google Calendar

  • Quickly capturing ideas as Notion notes via voice

  • Sending Gmail messages directly from Telegram

  • A personal productivity assistant available on-the-go

Good to know

Voice notes are automatically transcribed into text before being processed. This template uses Google Gemini for AI reasoning.The AI agent supports memory, enabling more natural and contextual conversations.

How it works

  • Telegram Trigger – Starts when you send a text or voice note to your Telegram bot.

  • Account Check – Ensures only authorized users can interact with the bot.

  • Audio Handling – If it’s a voice message, the workflow retrieves and transcribes the recording.

  • AI Agent – Both transcribed voice or text are sent to the AI Agent powered by Google Gemini + Simple Memory.

  • Smart Actions – Based on the query, the AI can:

  • Read or create events in Google Calendar

  • Create notes in Notion

  • Send messages in Gmail

  • Reply in Telegram – The bot sends a response confirming the action or providing the requested information.

How to use

  • Clone this workflow into your n8n instance.

  • Replace the Telegram Trigger with your bot credentials.

  • Connect Google Calendar, Notion, and Gmail accounts where required.

  • Start chatting with your Telegram bot to add events, notes, or send emails using just your voice or text.

Requirements

  • Telegram bot & API key

  • Google Gemini account for AI

  • Google Calendar, Notion, and Gmail integrations (optional, depending on use case)

Customising this workflow

Add more integrations (Slack, Trello, Airtable, etc.) for extended productivity. Modify the AI prompt in the agent node to fine-tune personality or task focus. Swap in another transcription service if preferred.

n8n Voice & Text Assistant with Telegram and Gemini AI

This n8n workflow creates a powerful and interactive assistant that listens for commands via Telegram, processes them using Google Gemini AI, and can potentially integrate with other services for calendar, Gmail, and Notion management (though these specific integrations are not present in the provided JSON, the naming convention suggests such capabilities).

The core of this workflow is an AI agent that converses with users and intelligently routes requests based on the input received.

What it does

  1. Listens for Telegram Messages: The workflow is triggered by incoming messages to a configured Telegram bot.
  2. Initial Message Processing: The incoming Telegram message is passed to an AI Agent for processing.
  3. Conversational Memory: A "Simple Memory" node is used to maintain context throughout the conversation, allowing the AI to understand follow-up questions and build on previous interactions.
  4. AI-Powered Understanding and Response: The "AI Agent" node, powered by the "Google Gemini Chat Model", interprets the user's intent and generates appropriate responses.
  5. Conditional Logic (Placeholder): An "If" node and a "Switch" node are present, indicating the workflow is designed to handle different types of user requests and route them to specific actions. While the specific conditions and actions are not defined in the provided JSON, these nodes are crucial for building a multi-functional assistant.
  6. Sends Telegram Responses: The workflow sends the AI-generated responses back to the user via Telegram.

Prerequisites/Requirements

To use this workflow, you will need:

  • n8n Instance: A running instance of n8n.
  • Telegram Bot Token: A Telegram bot configured with a bot token.
  • Google Gemini API Key: Access to the Google Gemini API for the AI Agent and Chat Model.
  • n8n LangChain Nodes: Ensure you have the @n8n/n8n-nodes-langchain package installed in your n8n instance, as it provides the AI Agent, Simple Memory, and Google Gemini nodes.

Setup/Usage

  1. Import the Workflow:
    • Download the provided JSON file.
    • In your n8n instance, click "Workflows" in the left sidebar.
    • Click "New" and then "Import from JSON".
    • Paste the JSON content or upload the file.
  2. Configure Credentials:
    • Telegram:
      • Locate the "Telegram Trigger" and "Telegram" nodes.
      • Click on the "Credential" field and add a new Telegram API credential.
      • Enter your Telegram Bot Token.
    • Google Gemini:
      • Locate the "Google Gemini Chat Model" and "Google Gemini" nodes.
      • Click on the "Credential" field and add a new Google Gemini API credential.
      • Enter your Google Gemini API Key.
  3. Activate the Workflow:
    • Once all credentials are set up, activate the workflow by toggling the "Active" switch in the top right corner of the workflow editor.

The workflow will now listen for messages sent to your Telegram bot and respond using the Google Gemini AI. You will need to further configure the "If" and "Switch" nodes to define specific actions and responses based on user commands.

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