Templates / Power your website chat with OpenAI GPT-4o-mini and session memory

Power your website chat with OpenAI GPT-4o-mini and session memory

Needs changes

by Thomas Abraham ✓ · 36 views · created 2026-07-27 · Support Chatbot, AI Chatbot

Needs changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.

What this workflow does

This AI workflow has 10 nodes and runs when a chat message arrives. Along the way it connects OpenAI Chat Model, Google Sheets and Slack.

How it runs

Trigger: When a chat message arrives.

  1. AI Agent: runs an AI agent, with model: OpenAI Chat Model; memory: Simple Memory
  2. Website Chat Agent (AI Agent): runs an AI agent, with model: OpenAI Chat Model; 3 tools (Save Lead, Notify Hot Lead, Escalate To Human); memory: Window Buffer Memory

Services it uses

OpenAI Chat ModelGoogle SheetsSlack

Before you upgrade to n8n 3.0

1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:

  • AI Agent v1 (old agent modes) in Website Chat Agent (v1.7): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
Removed in 3.0Replace with
AI Agent v1 (old agent modes)
Website Chat Agent (v1.7)
Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.

Nodes used (6)

From the author

Quick Overview This workflow exposes an n8n chat webhook that powers a website chatbot using an OpenAI chat model, with short-term session memory to keep recent conversation context. How it works 1. Receives a visitor message via the public n8n chat webhook…

Excerpt from Thomas Abraham's description on n8n.io.

View the original on n8n.io → Check your own copy

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