AI 101
Closed model

A closed model is one whose weights stay private, so you can use it only over the internet through the maker's app or API.
Think of it like this: It is a sealed engine you rent: you never see inside, and you drive it on the maker’s road.
Source:
- https://artificialanalysis.ai/models/open-source (checked Oct 15, 2026)
— Cases4AI, powered by AIRVX