@n8n/n8n-nodes-langchain.chat
50 workflows using this node.
What is the @n8n/n8n-nodes-langchain.chat node used for in n8n workflows?
@n8n/n8n-nodes-langchain.chat n8n workflows are automation templates that use the @n8n/n8n-nodes-langchain.chat 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-chat 
Discover buying-intent leads on Twitter and Instagram with GPT-4o-mini and send summaries to Slack and Notion
Description Automate B2B lead discovery by identifying high intent prospects directly from Reddit discussions using A...
Compare LLM token costs across 350+ models with OpenRouter
This n8n template lets you run prompts against 350+ LLM models and see exactly what each request costs with real time...
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...
Extract company data from websites with Gemini AI through chat conversation
How it works Please send a corporate website URL via chat. The AI will investigate the company website on your behalf...
Compare GPT-4, Claude & Gemini Responses with Contextual AI's LMUnit Evaluation
PROBLEM Evaluating and comparing responses from multiple LLMs (OpenAI, Claude, Gemini) can be challenging when done m...
Retrieve answers from Knowledge Base with InfraNodus GraphRAG chatbot
Basic AI Chatbot that Retrieves Answers From Knowledge Base Using GraphRAG. Easiest setup, without vector database, e...
Build an internet search chatbot with Firecrawl API
Internet Search Chat with Firecrawl How it works 1. A user sends a query via the chat widget and the Chat Trigger cap...
Generate complete SEO strategy reports with SerpAPI data and GPT-4 Agent team
This workflow deploys a fully autonomous "AI SEO Agency" inside your n8n instance. Unlike simple chatbots, this is a...
Reduce LLM Costs with Semantic Caching using Redis Vector Store and HuggingFace
Stop Paying for the Same Answer Twice Your LLM is answering the same questions over and over. "What's the weather?" "...
Sales CRM chatbot with GPT-4o-mini, Google Sheets lookup & memory
Description: This workflow creates a fully interactive AI powered Sales CRM Chatbot inside n8n, capable of understand...
Capture and score website leads with Gemini RAG, Supabase, Google Sheets and Slack alerts
Turn your website chat into a lead generating machine. Visitors chat with an AI that answers questions from your know...
Generate & deploy landing pages with GPT, Gemini and Vercel
Who’s it for This workflow is for: People who want to quickly launch simple landing pages without paying monthly fees...
Add Project Tasks to Google Sheets with GPT-4.1-mini Chat Assistant
Let your team create, track, and manage project tasks through natural conversation. This workflow uses an AI Project...
Dual-path customer support system with Google Sheets, vectors & Gemini
This n8n workflow template implements a dual path architecture for AI customer support, based on the principles outli...
Indonesian stock market research agent with Sectors App, Gemini & Tavily
This n8n workflow demonstrate how to configure AI Agent for financial research purposes especially for IDX data throu...
My solution for the "Agentic Arena Community Contest" (RAG, Qdrant, Mistral OCR)
This workflow is my personal solution for the Agentic Arena Community Contest , where the goal is to build a Retrieva...
Smart stock trading recommendations with GPT-4, TwelveData & NewsAPI analysis
Advanced AI powered stock analysis workflow that combines multi timeframe technical analysis with real time news sent...
Create & post social media carousels across 5 platforms with AI & Blotato
Description This AI Agent Carousel Maker uses ChatGPT and Blotato to write, generate, and auto post social media caro...
Generate Dream 100 prospect lists with Perplexity AI research and Google Sheets
Send an AI a few details about your "Dream Customer" in normal english, then have it search the web and give you a "D...
Dynamic MCP server selection with OpenAI GPT-4.1 and contextual AI reranker
PROBLEM Thousands of MCP Servers exist and many are updated daily, making server selection difficult for LLMs. Curren...
Build a smart chatbot with GPT-5-nano, web search & conversational memory
This is an n8n workflow designed to implement an advanced AI chatbot with real time conversation and search capabilit...
Create data-driven SEO content briefs with AI analysis of SERP data using Bright Data
This workflow is your all in one AI Content Strategist , designed to generate comprehensive, data driven content brie...
Create Google Calendar events from natural language chat using GPT
What It Does This workflow lets users create Google Calendar events through natural chat messages — no forms, no clic...
Crawl websites & answer questions with GPT-5 nano and Google Sheets
Web Consultation & Crawling Chatbot with Google Sheets Memory Who is this workflow for? This workflow is designed for...