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Transcribe & summarize Telegram voice notes with OpenAI and DeepSeek Chat to Google Docs

Wild NomadWild Nomad
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2/3/2026
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This workflow automates the process of transcribing voice notes from Telegram and then summarizing them, finally saving both the transcript and the summary to Google Drive.

Here's a step-by-step breakdown of what the workflow does:

  • Triggered by Telegram Message: The workflow starts when a new message is received on Telegram.
  • Get Audio File from Telegram: It then retrieves the audio file from the Telegram message.
  • Transcribe Audio with OpenAI: The audio file is sent to OpenAI for transcription.
  • Save Transcript to Google Drive: The generated transcript is saved as a new Google Doc in a designated "N8N Transcribes" folder within Google Drive. The document is named after the original audio file.
  • Summarize Transcript with AI: The transcript is then sent to an AI agent (which uses DeepSeek Chat Model 1 as its language model) to generate a summary description. The prompt instructs the AI to create a plain text summary suitable for a report to a supervisor, expanding on the title and avoiding rich text formatting.
  • Save Summary to Google Drive: Finally, the generated summary is saved as a new Google Doc in a "N8N Summaries" folder in Google Drive, also named after the original audio file.

Transcribe and Summarize Telegram Voice Notes to Google Docs

This n8n workflow automates the process of transcribing and summarizing Telegram voice notes, then saving the output to a Google Docs document. It leverages AI models from OpenAI for transcription and DeepSeek for summarization, streamlining the conversion of spoken content into organized, written summaries.

What it does

This workflow simplifies the management of voice notes by:

  1. Listening for Telegram Voice Messages: It continuously monitors a configured Telegram bot for incoming voice messages.
  2. Downloading Voice Notes: Upon receiving a voice message, it downloads the audio file from Telegram.
  3. Transcribing Audio with OpenAI Whisper: The downloaded voice note is sent to OpenAI's Whisper model for accurate speech-to-text transcription.
  4. Summarizing Transcription with DeepSeek Chat: The transcribed text is then passed to the DeepSeek Chat Model to generate a concise summary.
  5. Creating a Google Docs Document: A new Google Docs document is created, titled with the current date and time.
  6. Populating Google Docs: The document is populated with the original Telegram message details (sender, timestamp), the full transcription, and the AI-generated summary.

Prerequisites/Requirements

To use this workflow, you will need:

  • n8n Instance: A running instance of n8n.
  • Telegram Bot: A Telegram bot token and chat ID configured as a credential in n8n.
  • OpenAI API Key: An OpenAI API key configured as a credential in n8n for the Whisper transcription service.
  • DeepSeek API Key: A DeepSeek API key configured as a credential in n8n for the summarization service.
  • Google Account: A Google account with access to Google Docs, configured as a Google Drive OAuth2 credential in n8n.

Setup/Usage

  1. Import the Workflow: Import the provided JSON workflow into your n8n instance.
  2. Configure Credentials:
    • Telegram Trigger: Set up your Telegram Bot API credential.
    • OpenAI Node: Configure your OpenAI API Key credential.
    • DeepSeek Chat Model Node: Configure your DeepSeek API Key credential.
    • Google Drive Node: Set up your Google Drive OAuth2 credential. Ensure it has permissions to create and modify Google Docs.
  3. Activate the Workflow: Once all credentials are configured, activate the workflow.

The workflow will now automatically process any voice notes sent to your configured Telegram bot.

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