@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 
Prepare daily AI meeting briefs from Google Calendar with GPT-4o and email
Quick Overview This workflow accepts a URL via an n8n form, fetches and extracts the main text from the web page, use...
Recover failed Stripe payments with GPT-4o, Gmail, Sheets, and Slack
Quick Overview This workflow triggers on failed Stripe invoice payments, uses OpenAI to draft an escalating dunning e...
Extract invoice data from Gmail PDFs to Google Sheets with OpenAI and Slack
Quick Overview This workflow monitors Gmail for emails with PDF attachments, extracts invoice fields with OpenAI, log...
Send monthly P&L email reports with Google Sheets, GPT-4o-mini and Gmail
Quick Overview This workflow runs monthly and pulls income and expense data from Google Sheets, calculates a prior mo...
Route chatbot requests to humans with OpenAI and Google Sheets
Quick Overview This workflow processes incoming chat messages, uses Google Sheets to deduplicate and track escalation...
Detect competitor product launches from ads with Google Sheets and OpenAI
Quick Overview This scheduled workflow scans competitor ads via Adyntel (Meta, Google, and LinkedIn), extracts newly...
Track competitor ad messaging shifts with Adyntel, OpenAI and Google Sheets
Quick Overview This scheduled workflow reads competitor domains from Google Sheets, pulls their current ads from Meta...
Send AI interview briefs from resumes with GPT-4o-mini, Google Sheets and Gmail
Quick Overview This workflow runs every 15 minutes to read candidate rows from Google Sheets, download each resume PD...
Enrich LinkedIn leads with Aimfox, Apify, OpenAI and Airtable
Quick Overview This workflow listens for Aimfox webhooks when a LinkedIn connection request is accepted, notifies a S...
Run a margin-aware paid AI agent with Alephant x402 and Discord
Quick overview This workflow exposes a paid webhook endpoint, verifies budget via Alephant usage analytics, routes th...
Qualify inbound leads with OpenAI, Google Sheets and Slack alerts
Quick Overview This workflow receives lead submissions via a webhook, normalizes the fields, uses OpenAI to score and...
Build a cost engineering RAG with Google Drive, OpenAI, and Pinecone
Quick Overview This workflow ingests PDF cost engineering manuals from Google Drive into a Pinecone vector index usin...
Score content virality with OpenAI, Google Sheets and Slack
Quick Overview This workflow accepts content submissions via webhook or a weekday schedule, pulls historical performa...
Analyze Google Calendar patterns with OpenAI and send Gmail weekly digest
Quick Overview This workflow runs on a weekday schedule or via webhook, pulls events from Google Calendar, analyzes m...
Score resume authenticity with GitHub, LinkedIn, OpenAI and Google Sheets
Quick Overview This workflow accepts resume submissions via webhook or a weekday schedule, extracts verifiable claims...
Extract meeting action items and decisions with OpenAI, Asana and Sheets
Quick Overview This workflow ingests meeting audio or transcripts via a webhook or a 30 minute schedule, uses OpenAI...
Generate Shopify review outreach drafts with Apify, Hunter, GPT-4o and Gmail
Quick Overview This workflow runs daily to scrape competitor Shopify app reviews via Apify, logs and deduplicates new...
Monitor and book visa appointments with GPT-4.1-mini, Telegram and Sheets
Quick Overview This workflow runs every 10 minutes to check a visa appointment portal for available slots, uses OpenA...
Analyze skill gaps from LinkedIn jobs with BrowserAct, GPT-4o-mini and Gmail
Quick Overview This workflow collects a student’s profile via an n8n form, scrapes relevant LinkedIn job postings wit...
Predict airport queue wait times and email alerts with OpenAI and SendGrid
Quick Overview This workflow accepts traveler flight details via webhook or runs every 5 minutes, predicts airport qu...
Simulate business decisions with Google Sheets, GPT-4.1 and Slack
Quick Overview This workflow simulates business decision scenarios using Google Sheets data and AI analysis, generati...
Enrich German vocabulary in Google Sheets with OpenThesaurus and OpenAI
Quick Overview This workflow watches a Google Sheets vocabulary list for new German words, looks up synonyms via Open...
Handle WhatsApp orders, FAQs, and tracking with GPT-4o, Pinecone, and Sheets
Quick overview This workflow builds a WhatsApp business assistant that uses OpenAI to classify incoming messages and...
Generate freelance proposal PDFs from Tally with GPT-4o and Gmail
Quick Overview This workflow generates a personalized freelance proposal from a Tally form submission, using OpenAI t...
