Chat with OpenAI Assistant (by adding a memory)

Read contents of the chat from memory

Integrations Used (5)

Openaiassistant

Toolcalculator

Memorymanager

Chat

Memorybufferwindow

Workflow Structure (9 nodes)

100%

Langchain.chat Trigger

Chat Trigger

Langchain.memory Manager

Chat Memory Manager

Aggregate

Langchain.open Ai Assistant

OpenAI Assistant

Langchain.tool Calculator

Calculator

Langchain.memory Manager

Chat Memory Manager1

Limit

Set

Edit Fields

Langchain.memory Buffer Window

Window Buffer Memory

Node Types:

default

transform

trigger

Requires credentials

Prerequisites

Required Credentials (1)

OpenAI

Used by: OpenAI Assistant

Docs

Complexity

Moderate

Some experience helpful. Multiple integrations or logic.

Setup time: ~20 min

Score: 24/100

When to Use This Workflow

AI-Powered Content Creation

Automate content generation, summarization, or analysis using AI capabilities.

Save hours of manual work while maintaining quality and consistency.

Real-time Response

React instantly when events happen - new orders, form submissions, or API calls.

Zero delay between trigger and action for time-sensitive workflows.

Error Reduction

Eliminate human error from routine processes with consistent automation.

Improve accuracy and reliability across your workflows.

workflow.json

{
  "meta": {
    "instanceId": "cb484ba7b742928a2048bf8829668bed5b5ad9787579adea888f05980292a4a7"
  },
  "nodes": [
    {
      "id": "087ae6e2-b333-4a30-9010-c78050203961",
      "name": "OpenAI Assistant",
      "type": "@n8n/n8n-nodes-langchain.openAiAssistant",
      "position": [
        1340,
        460
      ],
      "parameters": {
        "text": "=## Our Previous Conversation:\n{{ $json[\"messages\"].map(m => `\nHuman: ${m.human}\nAI Assistant: ${m.ai}\n`) }}\n## Current message:\n{{ $('Chat Trigger').item.json.chatInput }}",
        "options": {},
        "assistantId": "asst_HDSAnzsp4WqY4UC1iI9auH5z"
      },
      "credentials": {
        "openAiApi": {
...