# OpenAI Launches Self-Serve Advertising Platform for ChatGPT — What It Means for Marketers and AI Startups **Meta Description**: OpenAI just opened a self-serve advertising platform inside ChatGPT. Here is what it means for marketers, AI startups, and the future of AI-powered advertising in 2026. — The advertising world just got a major shake-up. OpenAI has officially launched a self-serve advertising platform for ChatGPT, opening the door for businesses of all sizes to reach millions of users directly through one of the world most most visited AI platforms. This move marks a turning point in how AI is being monetized