@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 
Automated tax filing with multi-platform revenue analysis using GPT-4
How It Works This workflow automates monthly revenue aggregation from multiple financial sources, including Stripe, P...
Automate AI-powered quiz generation from PDFs with Google Forms
What problem does this workflow solve? Teachers, coaches, and educators spend hours manually creating quizzes from st...
Transform meeting transcripts to content with Fathom, GPT-4 & DALL-E
AI Content Generator: Transcript to Video & Image Transform meeting transcripts into engaging multi format content wi...
Automated business KPI insights with GPT-4, MSSQL, analytics & multi-channel alerts
This workflow is an AI powered business intelligence agent designed for founders and business owners. It automaticall...
Restaurant GPT-4 receptionist for bookings & delivery using Vapi, Telegram, Airtable
This AI receptionist handles restaurant bookings and delivery orders with Vapi, Telegram, and Airtable Who’s it for T...
Build a voice & text Telegram Bot with GPT-4.1-Mini and Gemini transcription
How it works: This Telegram automation works with voice and text messages given to the Telegram bot, and it returns t...
Optimize Instagram hashtags with GPT-4o & real engagement data via Graph API
Instagram Hashtag Generator Workflow This workflow automatically generates optimal hashtags for your Instagram posts...
Create an intelligent Facebook Messenger chatbot with GPT-4o-mini & message memory
Who is this for? Businesses and developers who want to automate customer support or engagement on Facebook Messenger...
Automatic Instagram content creation with OpenAI, Nano Banana and Telegram check
Overview Sample This template is the first of its kind: it automatically generates both the caption and the image for...
Schedule and optimize Twitter and LinkedIn posts from Google Sheets with OpenAI GPT-4o-mini
Schedule and optimize social media posts to Twitter and LinkedIn using AI This workflow automates the entire lifecycl...
Review GitHub pull requests and label them using OpenAI GPT-4o-mini and Slack
Automate GitHub pull request reviews and labeling using OpenAI This workflow automates the first line of code review...
Schedule and auto-post images to Instagram with Google Sheets, Drive and AI captions
Description This n8n workflow automatically publishes posts to Instagram Business accounts and Facebook Pages using G...
Draft daily crypto news tweets with CryptoPanic, Google, GPT‑4o and Gmail
X Ray: Your AI Crypto Intelligence & Social Agent Stop drowning in crypto noise. X Ray is a high performance "Human i...
Send AI-curated weekly news digests with RSS, Vector DB & GPT-4o
What this workflow does This workflow implements a two stage news automation system designed for reusable and topic d...
Generate YouTube video ideas from comments with GPT-4o-mini and Google Sheets
Analyse YouTube Comments via AI Agent and Create Video Topics Description...
Automate company data enrichment with HubSpot, Sona, OpenAI & Google Sheets
Automatically identify ICP matches by enriching basic company records with Sona Enrich data—combining web scraping, A...
Validate shipments & generate freight documents with GPT-4o, Google Sheets & Drive
What problem does this workflow solve? Logistics teams spend hours manually validating shipment data, checking compli...
Automated resume screening & interview scheduling with Gmail, GPT & Airtable
How it works The workflow detects incoming job application emails, extracts resumes, and parses them for AI analysis....
Automate invoice processing with GPT-4o classification and XML export to accounting
Intelligent Invoice Processing with AI Classification and XML Export Summary Automated invoice processing pipeline th...
Translate multilingual content with DeepL, GPT-4, WordPress, Slack and Sheets
Multi Language Content Translation Pipeline with AI Quality Control This workflow provides a professional grade trans...
IoT sensor monitoring with GPT-4o anomaly detection, MQTT & multi-channel alerts
{ "name": "IoT Sensor Data Aggregation with AI Powered Anomaly Detection", "nodes": [ { "parameters": { "content": "...
Standardize daily construction reports with OpenAI, Gmail and Google Sheets
AI Driven daily construction report (DCR) standardization What This Workflow Does Standardize Daily Construction Repo...
Multi-source tax & cash flow forecasting with GPT-4, Gmail and Google Sheets
How It Works Automates monthly revenue aggregation from multiple sources with intelligent tax forecasting using GPT 4...
Automate tax compliance validation with OpenAI anomaly detection & accounting integration
How It Works Automates revenue data validation and intelligent anomaly detection with scheduled weekly processing. Fe...