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Multimodal chat assistant with GPT-4o for text, images, and PDFs

n8nn8n12 modulesv1.0
SlackNotionAirtableOpenAI

Chat with thing This n8n template lets you build a smart AI chat assistant that can handle text, images, and PDFs — using OpenAI's GPT-4o multimodal model. It supports dynamic conversations and file analysis, making it great for AI-driven support bots, personal assistants, or embedded chat widgets. --- 🔍 How it Works - The chat trigger node kicks off a session using n8n's hosted chat UI. - Users can send text or upload images or PDFs — the workflow checks if a file was included. - If

At a glance

Multimodal chat assistant with GPT-4o for text, images, and PDFs is a ready-made n8n workflow you import as a workflow JSON file — no build required. It connects Slack, Notion, Airtable, OpenAI. It's free to download. Follow the 5-step import below to go live in minutes.

Platform
n8n
Connects
Slack, Notion, Airtable, OpenAI
Modules
12
Price
Free
Version
v1.0
Multimodal chat assistant with GPT-4o for text, images, and PDFs workflow diagram

About this workflow

Chat with thing This n8n template lets you build a smart AI chat assistant that can handle text, images, and PDFs — using OpenAI's GPT-4o multimodal model. It supports dynamic conversations and file analysis, making it great for AI-driven support bots, personal assistants, or embedded chat widgets. --- 🔍 How it Works - The chat trigger node kicks off a session using n8n's hosted chat UI. - Users can send text or upload images or PDFs — the workflow checks if a file was included. - If an image is uploaded, the file is converted to base64 and analyzed using GPT-4o's vision capabilities. - GPT-4o generates a natural language description of the image and responds to the user's question in context. - A memory buffer keeps track of the conversation thread, so follow-up questions are handled intelligently. - OpenAI’s chat model handles both text-only and mixed media input seamlessly. --- 🧪 How to Use - You can embed this in a website or use it with your own webhook/chat interface. - The logic is modular — just swap out the chatTrigger node for another input (e.g. form or API). - To use with documents, you can modify the logic to pass PDF content to GPT-4 directly. - You can extend it with action nodes, e.g. saving results to Notion, Airtable, or sending replies via email or Slack. --- 🔐 Requirements - Your OpenAI GPT-4o API key - Set File Upload on the chat 🚀 Use Cases - PDF explainer bot - Internal knowledge chat with media support - Personal assistant for mixed content

n8n

How to import this n8n workflow

  1. 1

    Download the workflow JSON file after purchase.

  2. 2

    Open n8n → click the menu → Import from File.

  3. 3

    Select the downloaded JSON and import.

  4. 4

    Set up credentials for each node that requires them.

  5. 5

    Click Execute Workflow to test, then activate.

Setup guide

Setup guide included

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