@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 
Categorise and label Gmail emails with GPT-4o and OpenAI
Automatically organise your Gmail inbox using AI. This workflow categorises every incoming email and applies Gmail la...
Handle WhatsApp sales queries with GPT-4, Supabase, and a product catalog
How it works An AI powered sales agent on WhatsApp that handles product inquiries using your Supabase knowledge base...
Manage Streak CRM via WhatsApp using GPT‐4.1 and Gemini
How it works This AI agent manages your Streak CRM via WhatsApp. Send messages to create contacts, add boxes to pipel...
AI WhatsApp Chatbot with RAG: Automate Text, Voice, Image & PDF Responses
Who it's for This n8n workflow creates an intelligent WhatsApp customer support bot that can handle text, image, audi...
Manage finances, tasks, tweets and Gmail with GPT‐4.1 on WhatsApp
n8n Wizard – Your personal AI assistant inside WhatsApp This workflow transforms WhatsApp into a powerful personal AI...
Summarize Gmail into Notion with OpenAI and create audio digests in Google Drive
Gmail → AI Summary → Notion + Audio Digest This n8n workflow turns incoming Gmail emails into structured AI summaries...
Create anti-cheating tests from PDFs with GPT-4o-mini and Google Docs
Extract content from PDFs, generate two different test versions with AI, and create formatted Google Docs with automa...
Publish SEO blogs to WordPress with GPT-4.1, DALL-E, Gemini, and Google Sheets
Automatically publish blog content to WordPress with AI generated branded images, internal linking, and client report...
Generate daily AI reels from Google Drive images with GPT‐5.1, Wavespeed and Submagic
Image to Video Social Media Reel Generator + Autopost Without AI Slop Google Drive → AI Video Generation → Captions →...
Track job applications and prep interviews with Notion and GPT-5-mini
AI job application tracker and interview prep assistant Categories: AI, Productivity, Career Transform your job searc...
Generate a weekly content calendar with OpenAI GPT-5-mini, RSS feeds, and Notion
Generate Weekly Content Calendar with AI from RSS Feeds Categories: AI, Content Creation, Marketing Automation, Produ...
Monitor and analyze competitor Facebook ads with Apify, GPT-4o, Gemini, and Google Sheets
Categories Marketing Intelligence, Ad Operations, Competitive Research, Creative Analysis Build a Facebook Ad Intelli...
Sync Note.com articles to WordPress with OpenAI categorization and tags
Automatically publish your Note.com articles to WordPress with intelligent category and tag assignment powered by Ope...
Generate and send AI-powered sales quotes with Gmail, OpenAI and Supabase
An automated quote generation system that monitors your inbox, classifies quote requests using AI, calculates intelli...
Generate proposals with GPT-4o, Google Docs, Gmail and Slack
Who’s it for Consultants, agencies, freelancers, and professional service firms who need to create customized proposa...
Generate hotel guest upsell recommendations with OpenAI, Sheets and Slack
Description This workflow automates guest upsell discovery and recommendation for hotels by combining Google Sheets,...
Create a daily market brief from Google Sheets, Alpha Vantage, Reddit, OpenAI, and Slack
Description This workflow automatically creates a daily market intelligence brief for your stock portfolio. Instead o...
Send YouTube transcripts to Slack using AssemblyAI
How it works This workflow lets users extract full YouTube video transcripts directly from Slack using n8n and Assemb...
Summarize YouTube videos in Slack using AssemblyAI transcription and OpenAI
How it works This workflow lets users generate structured summaries from YouTube videos directly inside Slack using n...
Generate scheduled B2B leads from Google Maps with Lemlist, Claude, and Pitchlane
How it works Runs on schedule (Monday Friday at 9 AM) to automate lead generation Searches for companies on Google Ma...
Generate technical n8n workflow reports with GPT-4.1 and Google Docs
Who is this workflow for? This workflow is designed for technical teams, automation owners, process auditors, and any...
Monitor backup and sync logs with Google Cloud Storage, GitHub, Gmail, OpenAI, and GLPI
Reliable Backup & Sync Execution Validation (Log Driven) This workflow monitors filesystem sync and backup jobs by va...
Extract and qualify local business leads and draft cold emails with OpenAI, Apify and Hunter
AI Powered Business Lead Scraping, Qualification & Outreach System Description Search → Scrape → Qualify → CRM → Emai...
Repurpose LinkedIn posts into X tweets with Apify, Claude AI and Airtable
Automatically scrape LinkedIn posts with Apify, transform them into optimized tweets and threads using Claude AI, sto...
