Most conversations about privacy end at promises. We prefer to start with physics: if an environment has no network connection, no access policy is needed, because there is no path for data to leave.
Open-weight models make this possible at all. You are not renting API calls from someone who can see your traffic. You take the weights, run them on your own infrastructure, and cut the cable.
Frontier does not have to mean cloud. It can mean the exact opposite: the most advanced intelligence, running only on your premises.