@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 
Monitor multi-city courier weather risk with Open-Meteo, GPT-4o, Gemini and Slack
Quick overview This workflow checks 48 hour forecasts from Open Meteo for multiple cities on a 6 hour schedule or via...
Extract meeting insights and ClickUp tasks with ChatGPT, Google Sheets and Gmail
Quick overview This workflow collects a meeting transcript via an n8n Form, uses OpenAI (ChatGPT) to extract structur...
Generate VEO3 videos from form ideas with ChatGPT, fal.ai, Drive and Gmail
Quick overview This workflow collects a video idea via an n8n Form, uses OpenAI to turn it into an optimized prompt,...
Recover overdue invoices with GPT-4o-mini, Gmail, Google Sheets, and Slack
Quick overview This workflow runs daily to read overdue invoices from Google Sheets, uses OpenAI (GPT 4o mini) to dra...
Send daily executive financial briefings with Google Sheets, GPT-4o-mini, Notion and Telegram
Quick overview This workflow runs every weekday at 7 AM to pull financial data from Google Sheets, calculate KPIs, ge...
Send weekly Reddit sentiment digests to Notion with ScraperAPI and OpenAI
Quick Overview This workflow runs every Monday, scrapes weekly top posts from selected Reddit pages via ScraperAPI, a...
Manage Google Calendar events with Zalo Bot, OpenAI and Gemini
Quick Overview This workflow lets users manage Google Calendar by sending text or voice messages to a Zalo Official A...
Generate and publish AI home cam Shorts with OpenAI, kie.ai and YouTube
Quick overview This workflow runs three times daily to generate an AI “home cam” short video concept with OpenAI, cre...
Send daily World Cup 2026 briefings to Slack with OpenAI GPT-5 Mini
Quick Overview This workflow runs every morning in Asia/Dhaka, pulls FIFA World Cup 2026 fixtures, standings, teams,...
Generate YouTube shorts from prompts with OpenAI, ElevenLabs and Pexels
Quick overview This workflow takes a prompt from an n8n form, uses OpenAI to generate a YouTube Shorts script, then c...
Analyze Google Ads competitors with Bright Data, OpenRouter and OpenAI
Quick Overview This workflow runs daily, reads keywords from Google Sheets, scrapes Google SERP ads via the Bright Da...
Scrape product prices and send GPT-4o-mini insights to Google Sheets and Gmail
Quick Overview This workflow runs daily at 9 AM to scrape product titles and prices from a target website, store the...
Verify receipts and invoices with OpenAI vision, Slack and Google Sheets
Quick Overview This workflow receives receipt or invoice image URLs via a webhook, uses OpenAI Vision to extract stru...
Answer hotel guest messages with GPT-4o mini, Slack, and Google Sheets
Quick Overview This workflow receives guest messages via a webhook, uses OpenAI (GPT 4o mini) to generate multilingua...
Qualify inbound leads with OpenAI, HubSpot, Slack and Gmail
Quick Overview This workflow captures inbound website leads via an n8n form, uses OpenAI to infer firmographics and s...
Generate blog content ideas with Google Sheets, RSS feeds and OpenAI
Quick Overview This workflow runs weekly to pull existing blog titles and prior AI ideas from Google Sheets, gathers...
Process Telegram invoice OCR with OCR.space, OpenAI, Sheets and Drive
Quick overview This workflow accepts invoice files via a Telegram bot, extracts text with OCR.space, uses OpenAI to t...
Create AI social posts from Telegram links with OpenAI, Grok and Blotato
Quick Overview This workflow listens for a Telegram message containing an idea or URL, extracts any linked page text,...
Create and publish AI social posts from Telegram with OpenAI, AtlasCloud and Blotato
Quick Overview This workflow takes a Telegram message containing an idea or URL, uses OpenAI to generate platform rea...
Orchestrate multi-agent energy optimization with OpenAI GPT and Claude
Quick Overview This workflow runs manually to orchestrate multi agent analysis for a thermodynamic system, using Open...
Optimize maritime routes and disruption response with OpenAI and Slack
Quick Overview This workflow runs every 15 minutes to pull vessel telemetry/AIS data, enrich it with port and weather...
Triage and draft support email replies with Gmail and OpenAI GPT-4.1
Quick Overview This workflow monitors a Gmail inbox for unread support emails, uses OpenAI powered multi agent triage...
Answer support questions from a knowledge base with OpenAI GPT-4o-mini
Quick Overview This workflow powers a support chat experience that uses an OpenAI RAG agent with in memory vector sea...
Generate SEO content briefs from keywords with SerpAPI, OpenAI, Google Docs and Sheets
Quick Overview This workflow collects a keyword via an n8n form, pulls the top Google results using SerpApi, scrapes...