Description
Automatically extract and summarize content from files stored in Google Drive — powered by GPT-4o-mini
📥 Skip the manual file reading — this AI-powered workflow loads documents from Google Drive, processes the content using LangChain, splits tokens, and generates smart summaries in seconds
🧠 What Problem Does It Solve?
Manually reading and summarizing documents (PDFs, Word files, etc.) is time-consuming, repetitive, and error-prone
This workflow turns unstructured text into concise summaries using OpenAI's GPT models, saving time and improving productivity
🔹 Ideal for:
📂 Report Summaries
📝 Research Notes
📃 Legal or Policy Docs
📑 Meeting Transcripts
📚 Academic Materials
⚙️ How It Works
📁 Downloads a document from a specified Google Drive file
🧼 Pre-processes and tokenizes text using LangChain’s TokenSplitter
📄 Converts binary files into readable format with LangChain Loader
🧠 Summarizes the document using the GPT-4o-mini model
📤 Sends the final summarized text via structured node chain
✨ Key Features
📂 Works with any document stored in Google Drive
🧠 Uses GPT-4o-mini for accurate and concise summaries
🧩 Token-splitting handles large documents
⚙️ LangChain-powered modular design
🧪 Built-in testing with Manual Trigger
🚀 Ready to scale with more file types and outputs (Slack, Email, Notion, etc.)
🧰 What You Need
✅ A Google Drive file with readable content
✅ Google OAuth2 credentials in n8n
✅ OpenAI API key with GPT-4o access
✅ LangChain nodes installed in n8n
🛠️ Setup Instructions
🔌 Connect the workflow trigger manually
📁 Specify the Google Drive file ID to download
🔑 Add credentials for Google Drive and OpenAI
📤 Test the workflow with a PDF or DOCX file
🧠 View the final summary directly inside n8n or send to external apps
🔗 Integrations
Google Drive
OpenAI GPT-4o-mini
LangChain (Summarization, TokenSplitter, Data Loader)
