@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 
Automated blog content generation with GPT-4o from Google Trends to WordPress
Automated Blog Content Generation from Google Trends to WordPress This n8n workflow automatically generates SEO frien...
AI-powered ServiceNow chat triage with GPT-4 — incident & request manager
Automated Incident and Request Management in ServiceNow Who’s it for This workflow is designed for IT teams, service...
Generate personalized promotion emails with GPT-5 and Gmail context analysis
Description: This sophisticated workflow automates personalized email campaigns for musicians and band managers. The...
Automate Instagram carousel creation with GPT-5, Nano Banana, and Blotato
Instagram Carousel & Caption Generator on Autopilot (GPT 5 + Nano Banana + Blotato + Google Sheets) Description Watch...
Extract structured data from D&B company reports with GPT-4o
Pull a Dun & Bradstreet Business Information Report (PDF) by DUNS, convert the response into a binary PDF file , extr...
Analyze images with OpenAI Vision while preserving binary data for reuse
Use this template to upload an image , run a first pass OpenAI Vision analysis , then re attach the original file (bi...
Voice-driven AI assistant using VAPI and GPT-4.1-mini with memory
Send VAPI voice requests into n8n with memory and OpenAI for conversational automation This template shows how to cap...
Create personalized news digests from RSS feeds with GPT & Gemini via email/Telegram
This workflow provides an intelligent automation solution for processing RSS feeds using ScrapeGraph API and deliveri...
Generate AI product ad images from Google Sheets using Fal.ai and OpenAI
️ Note: All sensitive credentials should be set via n8n Credentials or environment variables. Do not hardcode API key...
AI-powered multi-platform social media content factory with dynamic system prompts & GPT-4o
Automated Social Media Content Publishing Factory + System Prompt Composition This workflow is a powerful automation...
Capture and process ideas with GPT-4o-mini, Notion and Slack notifications
How it works This workflow captures idea submissions from a webhook and enriches them using AI. It extracts key field...
Automatic issue routing in Linear with GPT-4-mini classification
How it works This workflow automatically classifies and routes new or updated Linear issues using AI. When an issue i...
Transform product photos into studio-quality visuals with Nano Banana & Telegram
Turn a single product photo into scroll stopping, studio quality visuals in minutes. Perfect for Shopify / WooCommerc...
AI-powered personal assistant for Telegram with memory & task management
Telegram AI Assistant with Memory, Tasks, and Live Search (Airtable + Google Calendar) This workflow creates an intel...
Generate UGC videos from product images with GPT-4, Fal.ai & KIE.ai via Telegram
Transform any product image into engaging UGC (User Generated Content) videos and images using AI automation. This co...
Convert event text to calendar entries with AI and NextCloud/Google/Zoho
Why use this? This workflow turns any event related text into a new event on your calendar. Poster for a concert you...
Categorize Revolut transactions automatically with GPT-4 and Supabase
Revolut Extracts Analyzer This n8n template processes Revolut statements, normalizes transactions, and uses AI to cat...
Adaptive email auto-responder with GPT-4, RAG and human feedback loop
️ Self Learning Agent: AI Powered Email Auto Responder that Improves with Feedback Author: LeeWei Overview of the n...
AI DJ: Text-to-Spotify playlist generator with Linkup and GPT4
Stop manually searching for songs and let an AI DJ do the work for you. This template provides a complete, end to end...
Recover failed Stripe payments with AI emails (by FlyCode)
️ Automated Stripe Failed Payment Recovery (with Postmark + AI Email Generator) Recover failed Stripe subscription pa...
Monitor VPS security with GPT-4 mini analysis via SSH and Telegram alerts
Monitor VPS security with AI analysis via SSH and Telegram alerts This n8n template automatically monitors your VPS f...
A/B test AI prompts with Supabase, Langchain Agent & OpenAI GPT-4o
Split Test AI Prompts Using Supabase & Langchain Agent This workflow allows you to A/B test different prompts for an...
AI-powered document processing & organization with Gemini, VLM Run & Google Sheets
Automate multi document handling with AI powered extraction that adapts to any format and organizes it instantly. Wha...
Build an intelligent Q&A bot with Lookio Knowledge Base and GPT
Build a powerful AI chatbot that provides precise answers from your own company's knowledge base. This template provi...