Templates / Enterprise knowledge search with GPT-4 Turbo, Google Drive & Academic APIs

Enterprise knowledge search with GPT-4 Turbo, Google Drive & Academic APIs

Needs changes

by vinci-king-01 ✓ · 1,087 views · created 2025-07-31 · Content Creation, Multimodal AI

Needs changes. This template uses 1 thing(s) that n8n 3.0 removes: OpenAI (legacy). 1 breaking item(s) found. Static check, last run 2026-10-19.

What this workflow does

This workflow has 12 nodes and runs when someone submits an n8n form (“🧠 Enterprise RAG Assistant”). Along the way it connects Google Drive Search and Web Search. It also calls api.crossref.org and newsapi.org over HTTP.

How it runs

Trigger: When someone submits an n8n form (“🧠 Enterprise RAG Assistant”).

🔍 Query Preprocessor (Code): runs custom JavaScript code
🔄 Search Router (If): checks a condition and branches into true / false
🎓 Academic Papers Search (HTTP Request): calls api.crossref.org
📰 News Search API (HTTP Request): calls newsapi.org
📊 Data Aggregator (Code): runs custom JavaScript code
🧠 Context Builder (Code): runs custom JavaScript code
🤖 Advanced LLM Processor (OpenAI): uses OpenAI
✨ Response Enhancer (Code): runs custom JavaScript code
📤 Webhook Response (Respond to Webhook): sends the response back to the webhook caller
🏢 Internal Knowledge Search (Google Drive Search): uses Google Drive Search

…plus 1 more step. See the full node list below.

Services it uses

Google Drive SearchWeb Search

HTTP calls to: api.crossref.org, newsapi.org

Before you upgrade to n8n 3.0

1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:

OpenAI (legacy) in 🤖 Advanced LLM Processor: replace with OpenAI node (AI section).

Rather not rewrite it? Many of these flows can be rebuilt in Make (free plan).

Removed in 3.0	Replace with
OpenAI (legacy) 🤖 Advanced LLM Processor	OpenAI node (AI section)

Rarely used nodes in this template: n8n-nodes-base.googleDriveSearch, n8n-nodes-base.webSearch

Nodes used (8)

n8n Form Triggern8n-nodes-base.formTrigger
Coden8n-nodes-base.code
Ifn8n-nodes-base.if
Google Drive Searchn8n-nodes-base.googleDriveSearch
Web Searchn8n-nodes-base.webSearch
HTTP Requestn8n-nodes-base.httpRequest
OpenAIn8n-nodes-base.openAi
Respond to Webhookn8n-nodes-base.respondToWebhook

From the author

Enterprise Knowledge Search with GPT-4 Turbo, Google Drive & Academic APIs This workflow provides an enterprise-grade RAG (Retrieval-Augmented Generation) system that intelligently searches multiple sources and generates AI-powered responses using GPT-4…
Excerpt from vinci-king-01's description on n8n.io.

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

Enterprise knowledge search with GPT-4 Turbo, Google Drive & Academic APIs

What this workflow does

How it runs

Services it uses

Before you upgrade to n8n 3.0

Nodes used (8)

From the author

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