How a transformer actually works: run GPT-2 live in your browser
Everyone talks about transformers, but the mechanism stays abstract until you can poke it. So we built a live one. This page runs a real GPT-2 model entirely on your device: type a prompt, watch it tokenize, see the real probabilities for the next word, and drag temperature, top-k and top-p to feel how sampling works. No server, nothing sent anywhere.