Lesson 1 of 7

Run AI yourself

6 min read

Every AI you've used lives on someone else's computer, behind a login. What if you could download the whole model and run it on your own machine instead?

Rent it, or own it

Most AI is closed: you reach it through a company's app or API, and the model stays on their servers. But many strong models are [open-weights](glossary://open-weights) — the trained model is published as a file you can download and run yourself. Closed is like renting a room; open is like owning the house. You keep it running, but it's yours: no login, no bill, no internet required.

Open weights means the model is a file you own and run yourself — not a service you rent.

Why run it yourself?

Owning the model buys things renting can't. It runs offline, so there's no internet needed and nothing to send away. It's private — your words never leave your device. There's no ongoing bill, however much you use it. And you can change it to suit you. The trade: you supply the computer and keep it running, and you don't automatically get the very newest release.

Local models win on privacy, offline use, and cost — at the price of running them yourself.

Open weights doesn't mean lower quality. Several open families now rival the big closed models on everyday tasks — the difference is where they run and who's in control.