Templates / Process voice, images & documents with GPT-4o, MongoDB & Gmail tools

Process voice, images & documents with GPT-4o, MongoDB & Gmail tools

Ready for 3.0

by NanaB ✓ · 893 views · created 2025-07-21 · Personal Productivity, AI RAG

Ready 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 21 nodes and runs on Telegram events (message). Along the way it connects Telegram, OpenAI, OpenAI Chat Model and MongoDB Chat Memory and 1 more. It also calls v2.convertapi.com over HTTP.

How it runs

Trigger: On Telegram events (message).

  1. Switch: routes items into 4 branches
  2. Get photo file (Telegram): work with file
  3. Get audio file (Telegram): work with file
  4. Get a file (Telegram): work with file
  5. Get text from Message (Edit Fields (Set)): sets 1 field: text
  6. ConvertAPI HTTP Request (HTTP Request): calls v2.convertapi.com (POST)
  7. Transcribe a recording (OpenAI): transcribe (audio)
  8. If: checks a condition and branches into true / false
  9. AI Agent: runs an AI agent, with model: OpenAI Chat Model; 2 tools (Send a message in Gmail, Search for a messages in Gmail); memory: MongoDB Chat Memory
  10. Analyze image (OpenAI): analyze (image)

…plus 6 more steps. See the full node list below.

Services it uses

TelegramOpenAIOpenAI Chat ModelMongoDB Chat MemoryGmail

HTTP calls to: v2.convertapi.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 (12)

From the author

What it does This n8n workflow creates a cutting-edge, multi-modal AI Memory Assistant designed to capture, understand, and intelligently recall your personal or business information from diverse sources. It automatically processes voice notes, images,…

Excerpt from NanaB's description on n8n.io.

View the original on n8n.io → Check your own copy

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