@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 
Build a voice AI chatbot with ElevenLabs and InfraNodus knowledge experts
Set Up ElevenLabs Voice Chat Agent using Graph RAG Knowledge Graphs as Experts This workflow creates an AI voice chat...
LinkedIn post automation with AI (GPT-4o) generation & Slack approval
LinkedIn Post Automation with AI Generation (Gpt 4o) & Slack Approval How it Works This workflow automates the creati...
AI-powered candidate screening and evaluation workflow using OpenAI and Airtable
Who is this for? This workflow is ideal for: HR professionals and recruiters who want to automate and enhance the hir...
Auto-publish YouTube videos to Facebook & Instagram with AI-generated captions
Automatically turn your YouTube videos into engaging Facebook and Instagram posts with AI generated captions. This po...
AI-powered knowledge assistant using Google Sheets, OpenAI, and Supabase Vector Search
Description An intelligent conversational AI system that provides contextual responses by combining chat history, vec...
MCP server with AI agent as a tool context reducer
Transform your LLM into a powerful GitHub automation specialist with this n8n workflow template. In a world where mul...
Automate multi-channel customer support with Gmail, Telegram, and GPT AI
Smart Customer Support AI Agent with Gmail and Telegram Who is this for? This workflow is perfect for: Small to mediu...
Generate enhanced AI images via Telegram with DALL-E and GPT
PromptCraft AI – Telegram Image Generator How It Works PromptCraft AI is an n8n automation that transforms simple ima...
AI-powered document chat with Nextcloud files using LangChain and OpenAI
Main Workflow “AI Nextcloud” Entry point : A public chat trigger greets the user; every incoming chat message starts...
AI YouTube analytics agent: Comment analyzer & insights reporter
Transform YouTube comments into actionable insights with automated AI analysis and professional email reports. This i...
WhatsApp AI customer service bot with GPT-4o-mini and Gmail alerts
Who is this for? This workflow is intended for WhatsApp admins, customer service, individual users or teams in busine...
Shopify multi-module automation with GPT-4o, Langchain agents & integrations
This n8n workflow orchestrates a powerful suite of AI Agents and automations to manage and optimize various aspects o...
Automated PDF invoice processing & approval flow using OpenAI and Google Sheets
Who is this for? This workflow is ideal for: Finance teams that need to process incoming invoices faster with minimal...
AI-powered PDF invoice parser with Google Drive, Google Sheets & OpenAI
Who is this for? This workflow is perfect for: Companies that manage invoices through Google Drive Business owners wh...
Schedule appointments via Telegram with GPT-4o & Google Calendar
How It Works Telegram Trigger – Listens for incoming messages from users via your Telegram bot. Watch Full Step by st...
Generate AI stock images with Flux1-schnell, metadata tagging & Google integration
This template generates up to 2,000 AI based stock images per day for under $3 . It includes prompt generation , imag...
Automated invoice processing system with OCR & AI - AP automation with Airtable
Video Introduction Invoice Processing Automation This template is the automation behind a simple incoming invoice aut...
Notion AI summary & tags
What This Workflow Does: This n8n workflow automatically generates an AI powered summary and relevant tags whenever a...
Evaluation metric: summarization
This n8n template demonstrates how to calculate the evaluation metric "Summarization" which in this scenario, measure...
Evaluate RAG response accuracy with OpenAI: document groundedness metric
This n8n template demonstrates how to calculate the evaluation metric "RAG document groundedness" which in this scena...
Evaluate AI agent response relevance using OpenAI and cosine similarity
This n8n template demonstrates how to calculate the evaluation metric "Relevance" which in this scenario, measures th...
Evaluate AI agent response correctness with OpenAI and RAGAS methodology
This n8n template demonstrates how to calculate the evaluation metric "Correctness" which in this scenario, measures...
Evaluations metric: answer similarity
This n8n template demonstrates how to calculate the evaluation metric "Similarity" which in this scenario, measures t...
Generate LinkedIn posts with GPT-4, preview on WhatsApp, and auto-publish
Workflow Overview Transform your LinkedIn presence with this powerful AI driven automation workflow that generates an...