@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 
Generate marketing reports from Google Sheets with GPT-4 insights and PDF.co
This workflow pulls marketing data from Google Sheets , aggregates spend by channel, generates an AI written summary...
Smart email manager with Gmail, GPT-4 classification & auto-responses
AI Email Assistant Smart Email Processing & Response A sophisticated n8n workflow that transforms your email manageme...
Send personalized healthcare joke emails with OpenAI, Gmail, and Google Sheets
Healthcare Email Autoresponder Daily Outreach A production ready n8n workflow for automated healthcare email marketin...
Manage schedule & contacts with Telegram Bot using GPT-4o-mini & Google Services
AI Personal Assistant Telegram Bot Template Description Transform your Telegram into a powerful AI powered personal a...
Generate AI newsletter drafts from Google Sheets to Notion with GPT-5-mini
How it works: This template turns rows in a Google Sheet into polished newsletter drafts in Notion using an AI writin...
QuickBooks Online MCP Server - add QuickBooks tool to any AI (like Claude)
Video Introduction Want to automate your i...
QuickBooks Online AI agent - Chat with Quickbooks data with GPT agent
Video Introduction Want to automate your i...
Automated email classification & response system with Gmail, GPT, and Sheets
Email Automation Workflow Template This n8n template demonstrates how to automate email classification, labeling, dra...
Find step-by-step recipes from API Ninjas Recipe API in an n8n AI agent
Video Introduction Want to automate your i...
Generate & post LinkedIn content automatically with GPT-4 & GPT image 1
AI Powered Social Media Automation for LinkedIn How It Works This workflow automates the entire social media content...
Auto-document and backup workflows with GPT-4 and Airtable
Never worry about losing your n8n workflows again. This template provides a powerful, automated backup system that gi...
Reddit content Q&A chatbot with GPT-4o and Reddit API
This workflow lets you chat with Reddit using OpenAI and the Reddit API. The chatbot pulls posts from a subreddit and...
Auto-categorize Outlook emails into color categories with GPT-4o
This workflow fetches recent emails from Outlook and uses OpenAI to assign a category (e.g., Red , Yellow , Green )....
AI-powered WhatsApp customer service with GPT-4, smart routing & knowledge base
AI Powered Customer Service Automation with Smart Routing How it works Core Intelligence Pipeline • Multi Layer Messa...
Multi-agent healthcare assistant with WhatsApp, GPT-4 & Google Sheets
Multi Agent AI Healthcare Assistant Demo ️ EDUCATIONAL DEMONSTRATION ONLY NOT FOR PRODUCTION MEDICAL USE ️ A comprehe...
Manage Google Calendar events with OpenAI Assistant (Get, create, delete)
What this workflow does Provides the tools layer for the Parent agent to manage Google Calendar: Get (list events), C...
Manage Google Calendar events with GPT-4o virtual assistant (Orchestrator)
What this workflow does Front door chat orchestrator that delegates calendar requests to a separate Sub Agent workflo...
Unify multiple triggers into a single workflow
Stop duplicating your work! This template demonstrates a powerful design pattern to handle multiple triggers (e.g., F...
AI-powered salon booking with GPT, Google Calendar & email confirmations
This workflow is an AI powered Salon Booking Assistant that automates hair, beauty, and spa appointment scheduling th...
Declutter Gmail: archive inactive emails with GPT-4 classification
Who is this for? This workflow is for professionals, entrepreneurs, or anyone overwhelmed by a cluttered Gmail inbox....
Build an advanced multi-query RAG system with Supabase and GPT-5
Go beyond basic Retrieval Augmented Generation (RAG) with this advanced template. While a simple RAG setup can answer...
Automate video creation from voice input with HeyGen, GPT-5 & social publishing
This workflow contains community nodes that are only compatible with the self hosted version of n8n. Automate Video C...
AI-powered restaurant booking system with Telegram, Calendar & Email notifications
This workflow is an AI powered Booking Assistant that automates restaurant and event reservations through Telegram. I...
Automate business partner outreach with Google Maps, GPT-4 & WhatsApp
Automate Outreach Prospect automates finding, enriching, and messaging potential partners (like restaurants, malls, a...
