@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 
Ai voice & text note-taking with LINE Messaging, Supabase Vector DB & Gmail
Overview This workflow lets you capture, store, and retrieve notes from LINE chats — both text and voice messages — a...
Auto-respond to Slack messages with GPT and Pinecone Vector RAG context
GPT 5 + Pinecone Powered Slack Auto Responder — Real Time, Context Aware Replies for IT & Engineering Teams Descripti...
Collaborative sales planning with multi-agent AI, Google Docs, and Slack
Multi Agent Architecture Free Bootstrap Template for Beginners [
Manage Google Cloud Storage with AI image generation using GPT-4 Mini
Beginner’s Tutorial: Manage Google Cloud Storage Buckets and Objects with n8n Watch the demo video below: [
Automate sales call research and follow-ups with GPT-4, Tavily, Google Sheets
Description This n8n template automates prospect research and personalized follow up writing right after a sales call...
Generate business requirement documents with Multi-agent GPT & Google Workspace
Multi agent RAG system for smarter BRD (Business Requirement Document) writing Who’s it for This workflow is designed...
Store AI-generated images in AWS S3: OpenAI image creation & cloud storage
Automating AWS S3 Operations with n8n: Buckets, Folders, and Files Watch the demo video below: [
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 [
Automate Instagram profile analysis with Airtop scraping and GPT-4o intelligence
What's up Guys. I'm Luís 🏻 ️ If you need to analyze dozens of Instagram profiles every week, this isn't just anothe...
Auto-label Gmail messages with custom categories using GPT-4o-mini
Why settle for Gmail’s default tabs when AI can sort your inbox your way? Who is this for? Job seekers, freelancers,...
Optimize unstructured data for RAG with Blockify IdeaBlocks technology
This workflow contains community nodes that are only compatible with the self hosted version of n8n. Blockify Data Op...
LeadBot autopilot — chat-to-lead for Salesforce
LeadBot Autopilot — Chat to Lead for Salesforce Description — How It Works 1. Greets & Guides: Welcomes the visitor a...
Natural language to SQL converter for Google Sheets with GPT-4o
This n8n workflow template creates an intelligent data analysis system that converts natural language questions into...
Talk to your Google Sheets using ChatGPT-5
This n8n workflow template creates an intelligent data analysis chatbot that can answer questions about data stored i...
Auto-respond to Slack messages as yourself using GPT and Google Docs RAG
GPT 5 Slack Impersonation Agent with RAG – Auto Respond to Messages Using Live Project Docs Let AI handle your Slack...
Lead generation agent
Who this is for This workflow is for digital marketing agencies or sales teams who want to automatically find busines...
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...
AI-powered support automation with Outlook, OpenAI & JIRA ticketing
This workflow automatically processes customer support requests from emails and web forms, uses AI to classify and ei...
AI-powered WhatsApp support bot with ticket creation for Google Sheets
This n8n workflow automates the entire process, from learning based on your website data, documents to a multi channe...
Generate AI descriptions for new Google Sheets entries with GPT-4.1-mini
This n8n workflow template automatically monitors your Google Sheets for new entries and uses AI to generate detailed...
Automated phone interview evaluation with Vapi, GPT-4o & Google Sheets
This n8n workflow template automatically processes phone interview transcripts using AI to evaluate candidates agains...
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...
Automate GitHub trending data collection with FireCrawl, GPT and Supabase
GitHub Trending to Supabase (Daily, Weekly, Monthly) Who is this for? This workflow is for developers, researchers, f...
Automated B2B prospecting with RapidAPI, Hunter.io, GPT & Gmail
Automate your B2B prospecting by finding local businesses and sending AI personalized outreach emails to qualified co...