@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 LinkedIn agency content with GPT‑4o, Claude 4.5 and Gemini
The Multi Model Agency Content Engine is a high performance editorial system designed for agencies. It solves the "bl...
Generate 5-level AI explanations for different audiences from Telegram to Google Docs with GPT-4.1-mini
Description Ask any question and get five different answers instantly. Each answer is written for a different audienc...
Manage your Shopify store via AI assistant with OpenAI and MCP server
Who it's for This n8n workflow is designed for Shopify store owners and e commerce managers who want to automate thei...
Summarize SE Ranking AI search visibility using OpenAI GPT-4.1-mini
This workflow automates AI powered search insights by combining SE Ranking AI Search data with OpenAI summarization....
Send sales forecast charts and answer Q&A on WhatsApp with OpenAI
How It Works Top Branch Workflow 1. The Data Scientist: Ingest: Pulls historical sales data from Google Sheets. Math...
Send weekly Google Ads performance reports with GPT-5.1 and Gmail
Automatically analyzes your Google Ads performance every Monday and sends a comprehensive report to your inbox with A...
Generate Sora videos from Google Sheets and save results to Google Drive
Generate Sora AI videos, save to Google Drive, and update Google Sheets This workflow automates video generation usin...
Monitor brand reputation and detect crises with GPT-4, Slack and Gmail
How It Works This workflow automates brand reputation monitoring by analyzing sentiment across news, social media, re...
Detect and correct claims cost leakage with GPT-4 and automated alerts
How It Works This workflow automates enterprise claims cost leakage detection by identifying overpayments, policy dev...
Analyze real estate submarket opportunities with GPT-4, MLS, Gmail and Slack
How It Works This workflow automates end to end real estate investment analysis by aggregating data from multiple sou...
Review and approve employee expenses with forms, OpenAI and Google Workspace
How it works This workflow automates employee expense reimbursements from submission to final resolution. Expenses ar...
Send crypto BUY/SELL alerts for top 5 coins with OpenAI, WhatsApp, Telegram, and email
This workflow is designed to monitor the Top 5 cryptocurrencies in real time, calculate trading signals (BUY, SELL, H...
Monitor hotel competitor rates and answer WhatsApp Q&A using OpenAI GPT-4.1
How It Works Top Branch Workflow A 1. The Market Intelligence: Patrols the Market: Runs hourly to scrape competitor r...
Run AI-powered market research with Groq, OpenAI, Documentero and Gmail
Description This n8n template demonstrates how to build an AI powered Market Research Assistant using a multi agent w...
Create an AI Telegram bot using Google Drive, Qdrant, and OpenAI GPT-4.1
How it works This workflow creates an intelligent Telegram bot with a knowledge base powered by Qdrant vector databas...
Monitor IoT sustainability compliance and ESG reports with OpenAI, Airtable, Slack and Gmail
How It Works This workflow automates IoT device compliance monitoring and anomaly detection for industrial operations...
Predict tenant default risk with GPT-4o, Gmail, Slack and collections APIs
How It Works This workflow automates tenant screening by analyzing payment history, credit, and employment data to pr...
Generate SEO landing page content with GPT-4, Reddit, YouTube and Google Sheets
How It Works This workflow automates SEO content creation by aggregating multi source research and generating optimiz...
Predict disaster damage and coordinate property response with GPT-4, Google Sheets, Calendar and Gmail
How It Works This automated disaster response workflow streamlines emergency management by monitoring multiple alert...
Automate B2B sales research & email personalization with Sona and GPT-4
Sona Powered AI Sales Research & Personalized Email Automation Overview Automatically research B2B leads and generate...
Multi-agent LinkedIn content creation with GPT-4o, Google Sheets, and human review
Description: This is a Production Grade Multi Agent Content Engine designed for creators who prioritize technical aut...
Estimate 4D/5D construction costs from Revit BIM models with DDC CWICR
A professional BIM to cost pipeline that extracts data from Revit models (2015–2026), classifies elements with AI, de...
Generate photo-based construction cost estimates with GPT-4 Vision and DDC CWICR
Upload a construction photo via web form → get a detailed cost estimate with work breakdown, resource costs, and prof...
Estimate construction costs from text with Telegram, OpenAI and DDC CWICR
A Telegram bot that converts natural language work descriptions into detailed cost estimates using AI parsing, vector...