@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 
Auto-generate & schedule LinkedIn posts from Google Sheets with GPT-4o
Target audience Solo creators, PMs, and content teams who queue LinkedIn ideas in Google Sheets and want them posted...
Create an AI-powered virtual receptionist with Google Calendar & Sheets
AI Powered Appointment Scheduling with Google Calendar & Sheets Virtual Receptionist Automate customer conversations...
AI-powered WhatsApp customer support for Shopify brands with LLM agents
AI Powered WhatsApp Customer Support for Shopify Brands This n8n template builds a WhatsApp support copilot that answ...
AI-powered sales assistant with Airtable CRM, Gmail and web research
of the n8n Workflow This n8n workflow automates sales processes using AI agents integrated with Airtable as a CRM and...
Telegram chatbot with voice recognition and message batching using OpenAI
This Telegram workflow batches rapid fire messages from the same user into one prompt (20–30s debounce), then sends a...
Automate document ingestion & RAG system with Google Drive, Sheets & OpenAI
1. Overview The IngestionDocs workflow is a fully automated document ingestion and knowledge management system built...
Generate & auto-post tech news AI avatar videos to social media with Heygen and Blotato
This workflow contains community nodes that are only compatible with the self hosted version of n8n. Description This...
Build a WhatsApp customer support bot with LangChain, OpenAI, and CRM integration
Full Customer Support WhatsApp AI Bot (Self Hosted, Evolution API) Who’s it for This template is for businesses usi...
Automated blog publishing with Google Trends, GPT-4, Pexels & WordPress
This n8n template demonstrates how to automatically generate and publish blog posts using trending keywords, AI gener...
Automatic personalized sales follow-up with GPT-5, Pinecone, and Tavily Research
Automatic Personalized Sales Follow Up with GPT 5, Pinecone, and Tavily Research Description Never let a lead go cold...
Generate viral baby celebrity podcasts with AI, Hedra and ElevenLabs
️ Automated Viral Baby Podcast Video Generator Author: LeeWei Overview of the n8n Workflow This n8n workflow automa...
AI recruiting pipeline: Job to candidate shortlist with Apollo & Airtable
Who’s it for Recruiting agencies, executive search firms, and in house talent teams that want to automate candidate s...
Automate faceless shorts with OpenAI, RunwayML & ElevenLabs: script to social media
️ Faceless YouTube Generator Automate Faceless YouTube Shorts with AI: Generate Scripts, Videos, Audio, and Captions...
Create SEO content brief from keyword to Google Doc
Who’s it for Content/SEO teams who want a fast, consistent, research driven brief for a copywriters from a single key...
Create a WhatsApp customer support bot with OpenAI, calendar & email integration
Who’s it for This template is for businesses, customer support teams, and professionals who want to deliver AI powere...
Dynamic MCP server selection with OpenAI GPT-4.1 and contextual AI reranker
PROBLEM Thousands of MCP Servers exist and many are updated daily, making server selection difficult for LLMs. Curren...
Generate AI viral videos with NanoBanana & VEO3, shared on socials via Blotato
Generate AI viral videos with NanoBanana & VEO3, shared on socials via Blotato Who is this for? This workflow is desi...
Automate B2B lead generation & email campaigns with Google Maps, SendGrid & AI
This n8n powered workflow automates the entire lifecycle of lead generation and email workflows/campaign . It combine...
Automate Twitter content with trend analysis using OpenAI GPT & MCP
How it works This template creates a fully automated Twitter content system that discovers trending topics, analyzes...
Generate & publish professional video ads with Veo 3, Gemini & Creatomate
Professional AI Powered Ad Generator Creating high quality video ads has traditionally been one of the biggest challe...
Build a RAG knowledge chatbot with OpenAI, Google Drive, and Supabase
Build Your Own Knowledge Chatbot Using Google Drive Create a smart chatbot that answers questions using your Google D...
Implement intelligent message buffering for AI chats with Redis and GPT-4-mini
This workflow solves a critical problem in AI chat implementations: handling multiple rapid messages naturally withou...
Research business leads with Perplexity AI & save to Google Sheets using OpenAI
Automatically research new leads in your target area, structure the results with AI, and append them into Google Shee...
Answer questions about documentation with BigQuery RAG and OpenAI
BigQuery RAG with OpenAI Embeddings This workflow demonstrates how to use Retrieval Augmented Generation (RAG) with B...
