@n8n/n8n-nodes-langchain.openai
1,274 workflows using this node.
What is the @n8n/n8n-nodes-langchain.openai node used for in n8n workflows?
@n8n/n8n-nodes-langchain.openai n8n workflows are automation templates that use the @n8n/n8n-nodes-langchain.openai node as part of a reusable workflow. Builders use these templates to inspect how the node connects with triggers, data transformation steps, app integrations, notifications, storage, or AI-powered actions inside n8n. Each workflow listing includes a title, summary, author attribution, categories, complexity level, source links when available, and a downloadable JSON file for review before import. Use this page to compare practical examples, understand the surrounding nodes, and choose a template that can be safely tested and adapted in your own n8n workspace.
n8n-n8n-nodes-langchain-openai 
Create AI-generated books with GPT-4.1-mini, DALL-E, Google Drive and AWS S3
Multi Agent Book Creation Workflow with AI Tool Node and GPT 4, DALL E [
Turn YouTube comments into content ideas with GPT-4.1-mini, Tavily & Apify
Description This n8n template demonstrates how to turn raw YouTube comments into research backed content ideas comple...
🤖📝 Auto-document workflows with GPT-4o-mini sticky notes
Auto Document Workflows with GPT 4o mini Sticky Notes Skip the tedious part of writing documentation and turn your n8...
Prevent prompt injection attacks with a GPT-4O security defense system
AI Security Pipeline Prompt Injection Defense System using GPT 4O Protect your AI workflows from prompt injection att...
Multi-tool personal assistant with Telegram, Grok-4, Gmail, Calendar & Memory
Summary Chat with your AI agent in Telegram. It remembers important facts about you in Airtable, can transcribe your...
Daily tech & cyber security brief with RSS, OpenAI GPT-4o, and Gmail
What this workflow does Pulls free security/tech headlines from multiple RSS feeds (e.g., CISA, BleepingComputer, Kre...
Generate cheap viral AI videos to TikTok with Google Veo3 fast and Postiz
This workflow contains community nodes that are only compatible with the self hosted version of n8n. This workflow au...
Complete B2B sales pipeline: Apollo lead gen, Mailgun outreach & AI reply management
️ AI Powered 3 Step B2B Pipeline — Lead Gen → Cold Outreach → AI Drafted Email Management Automate your outbound work...
Automate email triage with GPT-4.1-mini classification and Gmail auto-replies
How it works: Detects new unread Gmail messages Extracts sender name for personalized replies Classifies the email in...
Autonomous blog publishing from YouTube videos with ChatGPT, Sheets, Apify, Pexels & WordPress
Autonomous YouTube Blog Builder / SEO Autopublisher (Sheets, ChatGPT, Apify, Pexels, WordPress) – Multilanguage 100%...
Crawl websites & answer questions with GPT-5 nano and Google Sheets
Web Consultation & Crawling Chatbot with Google Sheets Memory Who is this workflow for? This workflow is designed for...
Extract and verify book titles from bookshelf photos using GPT-4o and Google Books
Use Case: Analyze images with multiple subjects. In this use case I have a bookshelf and am extracting and verifying...
Cyberpulse AI GRC: Automate security questionnaire responses
Description Automates vendor/customer security questionnaire responses. It ingests a questionnaire (Sheet/CSV/XLSX),...
Auto-generate social media videos with GPT-5 and publish via Blotato
Auto Generate Social Media Videos with GPT 5 and Publish via Blotato ️ Disclaimer : This workflow uses Community Node...
Automate HighLevel CRM with GPT-5, knowledge retrieval & document context
Supercharge Your HighLevel CRM with the Power of GPT 5 Unleash the full potential of your HighLevel CRM by adding an...
AI-powered lead email classification & auto-reply with GPT-4o and Gmail
How it works This workflow automatically responds to incoming emails identified as potential leads using AI generated...
Auto-enrich & sync companies from Google Sheets to HubSpot using GPT-4o-mini
How it works This workflow starts whenever you add a new company name to a Google Sheet. It checks if the company nam...
Automated LinkedIn lead generation & DM outreach with Airtable, and Unipile.
LinkedIn DM Automation Overview Effortlessly scale personalized LinkedIn outreach using a no code automation stack. T...
Generate and quality control images with DALL-E 2 and human review loop
This n8n workflow automates the process of generating AI images using OpenAI's DALL E 2 model with built in human rev...
Restaurant order & delivery system for WhatsApp with GPT-4o and Supabase
How it works This workflow creates a complete AI powered restaurant ordering system through WhatsApp. It receives cus...
Auto-create & post social media reels with Google Veo-3 AI and GPT
GPT 5 + Veo 3 Instagram Reel Auto Creator & Auto Poster Description: This n8n workflow is a fully automated short for...
Automate employee reimbursement workflow with Gmail, Google Drive & AI validation
Reimbursements used to be a headache. Employees submitted receipts through emails, managers got stuck in approval cha...
Generate AI-summarized newsletter drafts from RSS feeds with GPT-4 and Gmail
How it works Every hour, the workflow checks the RSS feed https://www.artificialintelligence news.com/feed/ for new a...
AI-powered stock analysis with Danelfin, TwelveData and Alpha Vantage
AI Powered Stock Analysis Chatbot Transform Your Investment Decisions with Advanced AI Analytics What It Does This in...