@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 
Query business data from Uniconta ERP with OpenAI chatbot via Peliqan
How it works This template is an end to end demo of an in house AI agent that can answer a wide range of questions by...
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...
Generate structured company descriptions with Bedrijfsdata Web RAG & OpenAI
This workflow contains community nodes that are only compatible with the self hosted version of n8n. This template ge...
Build a personalized shopping assistant with Zep Memory, GPT-4 and Google Sheets
What problem does this workflow solve? Most e commerce chatbots are transactional; they answer one question at a time...
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...
Filter & summarize AI news from TechCrunch to Slack using OpenAI
This n8n workflow automatically scrapes TechCrunch articles, filters for AI related content using OpenAI, and deliver...
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 HighLevel CRM automation with GPT and MCP for contact and task management
HighLevel MCP Full CRM Automation With the HighLevel MCP Automation Workflow , you unlock the full potential of AI dr...
Restaurant reservation management with OpenAI GPT and Google Sheets
How it works Receives chat messages from customers requesting table reservations. Uses an AI Agent with OpenAI Chat M...
Process scanned invoices with Google Drive, OCR & OpenAI to Google Sheets
This template allows you to automatically process scanned invoices from Google Drive, extract key information using A...
Query business data from Cin7 ERP with OpenAI chatbot via Peliqan
How it works This template is an end to end demo of an in house AI agent that can answer a wide range of questions by...
Scrape blog articles into AI-generated LinkedIn posts with GPT-4o & human review
Auto detect news from n8n and turn into a human approved LinkedIn post. gotoHuman is used to keep a human in the loop...
AI multi-source agent with GPT-4, Perplexity Search, Supabase and Google Sheets
GPT 5 MCP Multi Source Orchestrator Overview GPT 5 MCP Multi Source Orchestrator is a next generation AI agent for n8...
Chat with documents via RAG: Google Drive to GPT-5 with Supabase vector database
n8n RAG Ingestion & Query Workflow Overview This workflow is your all in one pipeline to turn any document into a pow...
Send personalized follow-up emails for Calendly bookings with GPT-4 and Outlook
This n8n automation sends a personalized email to the person who booked a meeting via Calendly . It uses an AI agent...
Generate smart Calendly notifications for Outlook and Slack using GPT-4
This n8n automation notifies you whenever someone books a meeting with you via Calendly . It sends a customized email...
Classify emails and send replies with GPT-4o and gotoHuman for supervision
Let AI classify your incoming emails and draft replies. Use gotoHuman to approve emails before they are sent out. It...
Automate client onboarding with GPT-4, Google Drive, ClickUp & Slack
Description This automation streamlines client onboarding by instantly processing a submitted form, extracting key de...
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...
Smart helpdesk ticket alerts from Easy Redmine to Teams with GPT-4 summaries
Automated Helpdesk Ticket Alerts to Microsoft Teams from Easy Redmine Intro/Overview This workflow automatically post...
Generate and share professional PDFs with OpenAI, Google Docs, and Slack
Free PDF Generator in n8n – No External Libraries or Paid Services A 100% free n8n workflow for generating profession...
Generate platform-optimized social media content across 6 platforms with GPT-4o
Who’s it for This workflow is ideal for marketers, content creators, agencies, and small businesses that want to stre...
Track and monitor AI token usage metrics for OpenAI and Gemini models
Token Usage Metrics Workflow Descripción: Este flujo de trabajo en n8n extrae y resume las métricas de uso de tokens...