This tutorial demonstrates how to create real-time closed captioning using Deepgram's AI tooling and Ably's Serverless WebSockets solution. The project involves creating a React application with Vite, coding in TypeScript, and setting up a server that interfaces between Deepgram and clients. The client can start recording audio, which is then transcribed by Deepgram and broadcasted back to the clients via Ably for rendering. Both Deepgram and Ably provide free access to their products, making this an accessible solution for real-time closed captioning.