Food Photo Analysis to Restaurant & Book Recommendations with GPT Vision and Google APIs

by noda ✓ · 307 views · created 2025-10-27 · Personal Productivity, Multimodal AI

What this workflow does

This AI workflow has 18 nodes and runs on Google Drive events (file created). Along the way it connects Google Drive, OpenRouter Chat Model, Google Books and Slack. It also calls drive.google.com and places.googleapis.com over HTTP.

How it runs

Trigger: On Google Drive events (file created).

1. Fetch Image (Drive) (HTTP Request): calls drive.google.com
2. Dish Classifier (AI Agent): runs an AI agent, with model: LLM (Vision/JSON)
3. Normalize Classification (Code): runs custom JavaScript code
4. Set Origin & Radius (Edit Fields (Set)): sets 4 fields: originLabel, originLat, radiusM…
5. Pass the API (Edit Fields (Set)): sets or maps fields
6. Search Google Places (HTTP Request): calls places.googleapis.com (POST)
7. Summarize Place List (Code): runs custom JavaScript code
8. Select Best Place (AI) (AI Agent): runs an AI agent, with model: LLM (Selection)
9. Format Best Place JSON (Code): runs custom JavaScript code
10. Recommend Book (AI) (AI Agent): runs an AI agent, with model: LLM (Books)

…plus 4 more steps. See the full node list below.

Services it uses

Google DriveOpenRouter Chat ModelGoogle BooksSlack

HTTP calls to: drive.google.com, places.googleapis.com

Before you upgrade to n8n 3.0

Rarely used nodes in this template: n8n-nodes-base.googleBooks

Nodes used (8)

• Google Drive Triggern8n-nodes-base.googleDriveTrigger
• AI Agent@n8n/n8n-nodes-langchain.agent
• HTTP Requestn8n-nodes-base.httpRequest
• OpenRouter Chat Model@n8n/n8n-nodes-langchain.lmChatOpenRouter
• Coden8n-nodes-base.code
• Edit Fields (Set)n8n-nodes-base.set
• Google Booksn8n-nodes-base.googleBooks
• Slackn8n-nodes-base.slack

From the author

AI Recommender: From Food Photo to Restaurant and Book (Google Books Integrated) What it does Analyzes a food photo with an AI vision model to extract dish name + category Searches nearby restaurants with Google Places and selects the single best (rating →…

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