@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 
Create and validate Meta ad copy with GPT-4o, OriginalVoices, and Sheets
Generate 50 Meta ad copy variations informed by target audience insights , then validate with real human feedback to...
Handle WhatsApp sales queries with GPT-4, Supabase, and a product catalog
How it works An AI powered sales agent on WhatsApp that handles product inquiries using your Supabase knowledge base...
Manage Streak CRM via WhatsApp using GPT‐4.1 and Gemini
How it works This AI agent manages your Streak CRM via WhatsApp. Send messages to create contacts, add boxes to pipel...
Extract, validate, and log email invoices from Gmail to Google Sheets with GPT-4
Inbox2Ledger is an end to end n8n template that turns a noisy finance inbox into a clean, structured ledger. It fetch...
Draft Gmail replies with OpenAI and OpenRouter for an inbox-zero workflow
Automatically draft email replies using AI. This workflow monitors your Gmail inbox, filters out automated emails (ne...
Send a daily media briefing email with GPT-4.1-mini, NewsAPI, Gmail and Google Sheets
This workflow creates a daily media briefing based on public news sources. It retrieves relevant articles, summarizes...
Triage Slack and Gmail requests with an AI-powered intake layer
This n8n template helps you turn inbound messages into a clean, deduped queue of actionable tickets. It includes Slac...
AI WhatsApp Chatbot with RAG: Automate Text, Voice, Image & PDF Responses
Who it's for This n8n workflow creates an intelligent WhatsApp customer support bot that can handle text, image, audi...
Manage finances, tasks, tweets and Gmail with GPT‐4.1 on WhatsApp
n8n Wizard – Your personal AI assistant inside WhatsApp This workflow transforms WhatsApp into a powerful personal AI...
Monitor programme performance and governance with OpenAI and Slack
How It Works This workflow automates programme performance monitoring and governance oversight through intelligent AI...
Validate policy compliance and orchestrate approvals with GPT-4o and Slack
How It Works This workflow automates policy compliance validation and approval orchestration through intelligent AI d...
Validate clinical trial and lab signals with OpenAI for regulatory governance
How It Works This workflow automates clinical trial signal validation and regulatory governance through intelligent A...
Summarize Gmail into Notion with OpenAI and create audio digests in Google Drive
Gmail → AI Summary → Notion + Audio Digest This n8n workflow turns incoming Gmail emails into structured AI summaries...
Chat with Google Drive documents using Pinecone and OpenAI RAG
Google Drive → Pinecone RAG Chatbot (Auto Sync & Query) This n8n workflow implements a fully automated Retrieval Augm...
Detect financial risk and orchestrate compliance with GPT‐4o, Slack and email
How It Works This workflow automates comprehensive risk signal detection and regulatory compliance management across...
Monitor data integrity and route severity-based alerts with GPT-4o, email and Slack
How It Works This workflow automates continuous data integrity monitoring and intelligent alert management across mul...
Validate and orchestrate lawsuit responses with OpenAI and Google Sheets
How It Works This workflow automates the complex process of managing lawsuit responses through intelligent task valid...
Turn HR news into policy update tasks and a weekly Gmail digest with RSS, Google Drive, Gemini, and GPT-5.2
HR Weekly Radar AI powered workflow that scans HR news via RSS, checks which of your policies or contract templates m...
Triage LinkedIn notifications and InMails using Gmail, OpenAI, Notion, and Slack
LinkedIn Inbox Triage (Gmail Label to Notion + Slack) This n8n template demonstrates how to use AI to triage LinkedIn...
Publish SEO blogs to WordPress with GPT-4.1, DALL-E, Gemini, and Google Sheets
Automatically publish blog content to WordPress with AI generated branded images, internal linking, and client report...
Create TikTok videos with GPT-4o, Digital Twins, Veo 3 and Telegram
Create TikTok videos grounded in real human insight. One agent researches viral trends, gathers authentic audience fe...
Convert emailed timesheets into QuickBooks invoices with OCR, AI, Gmail and Sheets
AI Powered Timesheet → Invoice Automation (Gmail + OCR + AI + Google Sheets + QuickBooks) Note: This workflow uses st...
Store AI chat conversations with OpenAI GPT-4.1-mini and Pinecone
How it works Chat input triggers the workflow when a user sends a message. The primary AI Agent processes the incomin...
Get a daily cybersecurity news digest on Telegram and Slack with GPT-4
Daily Cyber News Digest to Telegram Workflow Created By: Abdullah Dilshad [email protected] Stay informed w...
