@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 
Financial document extraction from Gmail to Google Sheets
Manual financial reconciliation is tedious and prone to error. This workflow functions as an AI Financial Controller,...
Seo blog content automation with GPT-4o-mini and human approval in Google Docs
This n8n workflow automates the entire content creation process for SEO blog posts, from topic submission and AI draf...
AI-curated Indian marketing newsletter with RSS feeds and Gmail delivery
How it works This workflow automatically generates a daily Indian marketing & advertising newsletter. It fetches arti...
Article to LinkedIn post generator with Telegram, GPT-4 & Google Sheets
Automated LinkedIn Post Generator from Article Links (Telegram → AI → Google Sheets → LinkedIn) This workflow lets yo...
Automated smart price monitor with AI prediction, Google Sheets and Gmail
Think of this workflow as your personal shopping assistant that: Watches prices for you 24/7 Learns when prices are g...
Generate Hollywood-style video ads from images with GPT-5 Mini and Fal.ai Sora-2
Hollywood Style Ads in Seconds (Fal.ai Sora 2 Version) Turn a single product image + short text description into a ci...
Automate email tracking & generate pixel for lead nurturing with Google Sheet
This workflow automates the process of sending personalized lead nurturing emails and tracking when each recipient op...
Japanese-to-English review sentiment analysis with GPT and Telegram alerts
Who is this for This template is designed for e commerce businesses, customer support teams, and marketing profession...
Create an AI shopping assistant on Telegram with GPT-4.1, voice recognition & Google Sheets
This workflow is built for e commerce businesses, retail store owners, and entrepreneurs who want to provide intellig...
Automatically discover and extract reports from websites using GPT and Google Sheets
An intelligent AI powered agent that automatically browses publication websites, analyzes page content with natural l...
Automated WordPress post tagging with AI analysis and Claude Opus 4.5
This workflow automates the full process of generating, creating, and assigning optimized WordPress tags to a specifi...
Generate weekly cold email performance reports with ManyReach, GPT-4.1 & Slack
This n8n workflow automatically generates weekly performance reports for completed email campaigns from ManyReach, co...
Discover article URLs from any website with GPT-5-mini and Google Sheets
Automatically discover and extract article URLs from any website using AI to identify valid content links while filte...
Create AI viral videos using NanoBanana 2 PRO & VEO3.1 and publish via Blotato
Create AI Viral Videos using NanoBanana 2 PRO & VEO3.1 and Publish via Blotato Who is this for? This template is for...
AI prompt hub (Notion + ChatGPT): auto-find the right prompt with embeddings
Build your own AI Prompt Hub inside n8n. This template lets ChatGPT automatically search your saved prompts in Notion...
Automate multi-modal appointment booking via WhatsApp using GPT-4 and Cal.com
Who is this for? This workflow is for healthcare professionals, consultants, coaches, and service businesses who want...
Re-engage stalled HubSpot deals with GPT-5-mini, Gmail, and Slack
Who is this for This workflow is designed for Customer Success Managers and Sales Teams who manage high volume pipeli...
AI-powered auto-tagging for Zendesk tickets using GPT-4.1-mini
This workflow automatically reviews new Zendesk tickets and tags them using OpenAI’s language model. It runs every 24...
Autonomous meeting scheduler with GPT-4o-mini, Telegram, and Google Calendar
This n8n template demonstrates how to build an autonomous AI assistant that handles real business tasks through natur...
Analyze food ingredients from Telegram photos using Gemini and Airtable
Analyze food ingredients from Telegram photos using Gemini and Airtable ️ Personal Ingredient Bodyguard Turn your Tel...
Subsidy hunter: GPT-4o analysis & scoring with Google News & Chatwork alerts
Description: Automate your grant research with an AI Agent that reads, analyzes, and scores opportunities. ️ This adv...
Send pre-meeting attendee context with OpenAI, Google Calendar, and Slack
Overiew This workflow builds an AI meeting assistant who sends information dense pre meeting notifications for a user...
Send personalized occasion wishes with AI, Google Sheets and Gmail
: Automated Occasion Wisher How it works Runs daily to check if today matches any birthday, anniversary, or special o...
Generate AI photos with Gemini & auto-post to FB, Instagram & X with approval
Social Media Foto Creation Bot with Approval Loop Create & Share AI Photos with Telegram, Gemini & Post to Facebook,...
