Chatbot with image and PDF analysis via GPT-4o and…

This automation template implements a smart chatbot built on n8n and LangChain that accepts text messages and file uploads (images, PDFs), analyzes them using OpenAI´s GPT-4o multimodal model, and maintains context-aware conversations with memory. Ideal for building AI assistants with long-term memory and multimodal input support.

## Who it´s for
- Developers building AI assistants with file support
- Customer support teams needing automated analysis of screenshots or documents
- Website owners looking to embed an intelligent chat powered by n8n
- Freelancers using AI to process client requests with attached materials

## What the automation does
- Accepts text messages and file uploads via embedded chat trigger
- Triggers GPT-4o multimodal analysis upon file receipt
- Stores analysis results and conversation history in buffer memory
- Processes follow-up user questions using full dialogue context
- Generates responses through a LangChain agent integrated in n8n
- Supports conversations about images, diagrams, error screenshots, and PDF documents

## What´s included
- Ready-to-use n8n workflow
- Logic for handling text messages and file uploads
- Integrations with OpenAI API and n8n Chat Trigger
- Pre-configured LangChain agent with GPT-4o and Memory Buffer
- Basic setup and adaptation guide

## Requirements for setup
- n8n account with access to Chat Trigger
- OpenAI API key
- Familiarity with n8n and LangChain nodes

## Benefits and outcomes
- Reduced support load by automating screenshot and document analysis
- Faster response times for file-based queries
- Ability to build complex AI dialogues with contextual memory
- Improved service quality through accurate visual data interpretation
- Scalability without coding
- Full multimodal interaction support (text + file)

## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via Telegram: @gleb923.