@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 
Get a morning email and calendar brief with Gmail, Google Calendar, GPT-4o-mini and Telegram
Description Activate this workflow once and every weekday morning at 8AM your phone receives a complete day briefing...
Audit multi-page CRO with GPT-4o-mini, Google Sheets, and Gmail alerts
Description Submit up to 3 landing page URLs using a simple form and the workflow audits each one automatically. For...
Convert legal timesheets to LEDES and PDF invoices
Who is this for This template is built for solo attorneys, small law firms, and legal billing coordinators who receiv...
Route support messages with GPT-4.1-mini, Slack, email and human review
This workflow classifies incoming support messages from email or Slack, drafts AI generated replies for routine queri...
Optimize blog and product pages for Google AI Overviews with GPT-4 and Sheets
This workflow automatically monitors blog posts or product pages for new/updated content, analyzes Google AI Overview...
Generate a daily AI briefing from tasks, calendar, email, weather and news with OpenAI, WhatsApp and Email
AI Daily Personal Briefing Engine This workflow runs every morning to fetch your tasks, calendar events, emails, weat...
Create weekly AI WordPress posts with images from SharePoint topics
AI Article Publisher — Scheduled WordPress Post from Topic List This workflow automatically generates and publishes a...
Send client recap emails after Fireflies meetings using GPT-4o-mini, Gmail and Sheets
Description Connect Fireflies to this workflow once and every client meeting you record automatically generates a pol...
Summarize RSS articles with Gemini and OpenAI, send to Slack, and save TTS audio
Who’s it for This workflow is designed for Japanese speaking professionals, and learners who want to efficiently stay...
Generate post-meeting surveys from Google Meet notes with OpenAI and Weavely
Stop forgetting to send follow up surveys. This workflow automatically generates a tailored post meeting survey from...
Categorize meetings and log time with Fireflies, GPT-4o-mini, and Google Sheets
Description Connect Fireflies to this workflow once and every meeting you record is automatically categorized and log...
Analyze daily metrics with multi-agent GPT-4o, Google Sheets, Slack and Gmail
How It Works This workflow automates daily business metrics collection, analysis, and reporting using a multi agent A...
Monitor semiconductor board reliability with OpenAI and Slack alerts
How It Works This workflow automates semiconductor board level reliability monitoring using AI agents. It targets rel...
Monitor client meeting health with Fireflies, GPT-4o-mini, Google Sheets and Slack alerts
Description Activate this workflow once and every Monday morning it automatically scans all your client meetings from...
Turn meeting action items into ClickUp tasks with Fireflies, GPT-4o-mini and Telegram
Description Connect Fireflies to this workflow once and every meeting action item becomes a ClickUp task automaticall...
Extract and log invoice data to Google Sheets with Ainoflow and ChatGPT
Every time a new invoice lands in your inbox, this workflow reads it, extracts all the relevant data using AI, and lo...
Score inbound B2B leads with OpenAI GPT-5.4 using Tally and Google Sheets
Description This workflow automatically scores B2B leads by fetching and analyzing real company website data. It help...
Generate blog drafts from Tally content briefs with OpenAI and Google Docs
Description This workflow turns a simple content brief into a full blog post draft, saved as a Google Doc ready for e...
Screen job applicants and send Gmail responses with Tally and OpenAI GPT-5.4
Description This workflow automatically screens job applicants, scores them against role requirements, sends personal...
Create LinkedIn post drafts from Fireflies meetings with GPT-4o-mini, Drive and Slack
Description Connect Fireflies to this workflow once and every meeting you record becomes a LinkedIn post draft automa...
Generate Instagram posts with OpenAI, RSS news, and auto image posting
What this workflow does This workflow automatically generates and publishes Instagram content using AI. It: Generates...
Qualify and route inbound leads with OpenAI, Trello, Slack and Gmail
Description This n8n workflow automates a speed to lead system, capturing form submissions and quickly routing qualif...
Forecast property CAPEX and ROI weekly using Google Sheets and GPT-4o
How It Works This workflow automates weekly capital expenditure (CAPEX) forecasting for property portfolios using a m...
Orchestrate multi-agent compliance monitoring and audit logging with GPT-4o and Slack
How It Works This workflow automates enterprise compliance governance using a multi agent AI architecture. It targets...