@n8n/n8n-nodes-langchain.lmchatopenai
2,488 workflows using this node.
What is the @n8n/n8n-nodes-langchain.lmchatopenai node used for in n8n workflows?
@n8n/n8n-nodes-langchain.lmchatopenai n8n workflows are automation templates that use the @n8n/n8n-nodes-langchain.lmchatopenai 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-lmchatopenai 
PDF invoice data extraction & tracking with Google Drive, Claude AI & Telegram
Invoice Intake & Notification Workflow This automated n8n workflow monitors a Google Drive folder for newly uploaded...
Create a smart chatbot using OpenAI GPT and Airtable knowledge base
This workflow creates an intelligent chatbot that uses your Airtable database as a knowledge base. The AI agent can a...
WhatsApp support assistant with GPT-4 Mini & Google Sheets data training
WhatsApp AI HelpDesk – Smart SupportBot Using Trained Data & WasenderAPI Overview This n8n workflow enables automated...
Generate AI video sales letters with Google VEO3, Creatomate captions & Facebook publishing
This workflow contains community nodes that are only compatible with the self hosted version of n8n. VEO3 VSL Generat...
Generate LinkedIn posts from Wikipedia with GPT-4 summaries and Ideogram images
Wikipedia to LinkedIn AI Content Poster with Image via Bright Data Overview Workflow Description: Automatically scrap...
Automate weekly marketing reports with GoMarble MCP, Claude AI & Gmail
Automated Marketing Analytics Report with AI Agent How it works Transform your marketing data into actionable insight...
Respond to inbound leads with personalized videos using Heygen AI and GPT-4
AI Powered Inbound Sales Rep Video Agent – Auto Respond to Leads with Personalized Videos Description: This workflow...
Automate personalized cold email sequences with GPT-4, Mailgun and Supabase
This workflow contains community nodes that are only compatible with the self hosted version of n8n. AI Powered Cold...
Document-based AI chatbot with RAG, OpenAI and Cohere reranker
This workflow contains community nodes that are only compatible with the self hosted version of n8n. Build intelligen...
Generate personalized weather reports with OpenWeatherMap, Python and GPT-4.1-mini
How it works User enters name of a city for which most current weather information will be gathered Custom Python cod...
Create voice assistant interface with OpenAI GPT-4o-mini and text-to-speech
Voice Assistant Interface with n8n and OpenAI This workflow creates a voice activated AI assistant interface that run...
Smart RSS feed monitoring with AI filtering, Baserow storage, and Slack alerts
This workflow automates the process of monitoring multiple RSS feeds, intelligently identifying new articles, maintai...
Transform Reddit discussions into LinkedIn post ideas with GPT-4o and Google Sheets
Who’s it for This workflow is for marketers, founders, and content strategists who want to identify business opportun...
Automate restaurant reservations with AI on WhatsApp and Google Sheets
Streamline restaurant reservations on WhatsApp Overview This n8n template automates table bookings via WhatsApp, lett...
Ai-powered chart generation from web data with GPT-4o and WordPress upload
AI Powered Chart Generation from Web Data This n8n workflow automates the process of: 1. Scraping real time data from...
Qualify real estate leads via SMS with GPT-4o, Twilio, and Google Sheets
AI Powered Real Estate Lead Qualifier (n8n Workflow) Description This n8n workflow automates lead engagement and qual...
Extract local business contacts with Google Sheets, SerpAPI, Apify & GPT-4o
Extract Local Business Contacts with Google Sheets, SerpAPI & GPT‑4o Status: Ready for Use Disclaimer: This workflow...
Get blockchain insights from chat using GPT-4 and Nansen MCP
This workflow contains community nodes that are only compatible with the self hosted version of n8n. How it works Thi...
Automated job extraction & publishing with RAG, Jina AI and OpenAI to WordPress
Auto repost job with RAG is a workflow designed to automatically extract, process, and publish job listings from moni...
Query MySQL database with natural language using GPT AI
This workflow contains community nodes that are only compatible with the self hosted version of n8n. How it works Usi...
Company website chatbot agent (RAG, calendar integrations)
Company Website Chatbot Agent Overview This workflow implements a modular Website AI Chatbot Assistant capable of han...
AI email support system: Gmail, Gemini, GPT-4, Slack & Google Sheets workflow
Transform Your Customer Support with AI Automation! Unlock unparalleled efficiency and elevate customer satisfaction...
Email support agent w/ Gemini & GPT fallback using Gmail + Google Sheets
Master Your First AI Email Agent with Smart Fallback! Welcome to your hands on guide for building a resilient, intell...
Generate professional product images | AI marketing campaign generator
AI Marketing Campaign Generator Upload product image + details → Get complete professional marketing campaign with 5...