@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 a complete HR department with OpenAI O3 and GPT-4.1-mini multi-agent system
CHRO Agent with HR Team Description Complete AI powered HR department with a Chief Human Resources Officer (CHRO) age...
Build an AI marketing team with OpenAI O3 and GPT-4.1-mini for automated content creation
This multi agent n8n automation simulates a high functioning marketing team. A strategic CMO agent receives your chat...
Automated trip expense claim form with OpenAI agent & Google Drive
Automated Trip Expense Claim Form With OpenAI Agent & Google Drive Watch the demo video below: [
Manage 托管平台 DNS records with AI-powered chat assistant
This n8n flow demos basic dev ops operation task, dns records...
Automate weekly Hollywood film briefing via Tavily and Gemini
This n8n template demonstrates how to build a weekly Hollywood film industry briefing using Tavily for real time sear...
Extract contacts from business cards to Google Sheets with GPT4o
Auto Extract Contacts from Business Cards to Sheet With GPT4o [
AI-powered CV extractor: Google Drive to Sheet with GPT-4 + Slack for recruiters
CV Extractor: Google Drive to Sheet + Slack Update for Recruiters Watch the demo video below: [
Build persistent chat memory with GPT-4o-mini and Qdrant vector database
Long Term Memory System for AI Agents with Vector Database Transform your AI assistants into intelligent agents with...
AI-generated LinkedIn posts with human approval using GPT-4, GoToHuman & Blotato
This workflow is designed for creators, marketers, and agencies who want to automate content publishing while keeping...
Automate web research with GPT-4, Claude & Apify for content analysis and insights
This n8n template demonstrates how to automate comprehensive web research using multiple AI models to find, analyze,...
Document Q&A system with Voyage-Context-3 embeddings and MongoDB Atlas
On my never ending quest to find the best embeddings model, I was intrigued to come across Voyage Context 3 by MongoD...
Create custom reasoning patterns for AI agents with GraphRAG & knowledge ontology
Teach your AI agent HOW to think, not WHAT to think This workflow demonstrates...
AI-generated account briefs with MadKudu, OpenAI & Salesforce for Outreach
Generate and send MadKudu Account Brief into Outreach This workflow generates an account brief tailored to your compa...
Build a comprehensive multimodal assistant on Telegram with OpenAI, SERP and Vector Store
J.A.R.V.I.S. Multimodal AI assistant on Telegram with OpenAI This workflow transforms your Telegram bot into J.A.R.V....
Convert unstructured contact data to JSON with GPT-4 for system integration
This workflow contains community nodes that are only compatible with the self hosted version of n8n. This n8n workflo...
Automated company research & lead enrichment with GPT-4o and Google Sheets
Supercharge your sales and marketing with this AI powered workflow! Stop wasting hours on manual company research. Th...
WhatsApp-to-social-media content generation with GPT-4 & approval workflow
Send one WhatsApp message → Get AI optimized content across 7+ social platforms. Who It's For Solopreneur managing mu...
Auto-comment on Instagram posts with GPT-4o, Phantombuster, and SharePoint
Who’s it for Social media teams and influencers who want to grow engagement by automatically posting short, relevant...
Generate tailored interview questions with GPT-4 based on CV, JD, and round
Smart Interview Assistant: Tailored Questions Based on CV, JD, and Round Watch the demo video below: [
Auto-follow Instagram profiles via Phantombuster and SharePoint
Who’s it for Community managers, growth hackers, and brands that want to grow their Instagram audience by automatical...
Scheduled Instagram auto-liker with Phantombuster, GPT-4o & cookie rotation
Who’s it for Social media managers and brands that want to keep their Instagram accounts active by automatically liki...
Automatic LinkedIn engagement with AI comments using GPT-4o and Phantombuster
Who’s it for B2B marketers, recruiters, and personal brand builders who want to spark conversations on LinkedIn by au...
Auto-like LinkedIn posts with GPT-4o, Phantombuster and SharePoint
Who’s it for Recruiters, B2B marketers, and thought leadership builders who want to boost their LinkedIn engagement b...
Auto-like Twitter posts with AI hashtags, cookie rotation & SharePoint
Who’s it for Growth hackers, social media managers, and brand builders who want to keep their Twitter (X) accounts ac...