How to Build a No-Code AI Pipeline with n8n and GPT-4o-mini

How to Build a No-Code AI Pipeline with n8n and GPT-4o-mini You do not need to write a single line of code to build a production AI pipeline. With n8n's visual workflow builder and GPT-4o-mini, you can create systems that classify, extract, summarize, and route data automatically. Here is a step-by-step guide to building three real AI pipelines — zero coding required. What is an AI Pipeline? An AI pipeline is a series of connected steps where data flows through AI processing. Example: Email arrives -> AI classifies it -> Routes to correct team -> Auto-generates reply draft Traditional approach: hire a developer, write Python, deploy on AWS, maintain servers. n8n approach: drag nodes, connect them, add your OpenAI key, activate. Done in 30 minutes. Pipeline 1: Email Classifier + Auto-Router What it does : Reads incoming emails, classifies them (support/sales/billing/spam), routes each to the right Slack channel. Nodes needed (5 total): Email Trigger (IMAP) - watches your inbox OpenAI no