Basics
Closed (proprietary) model
A model whose weights are not published and which can only be used through the provider's API or apps.
Most frontier models, including Claude, GPT and Gemini, are closed. You do not manage infrastructure, but your data passes through the provider and you depend on its pricing and model lifecycle.
Frequently asked questions
What does Closed (proprietary) model mean?
A model whose weights are not published and which can only be used through the provider's API or apps. Most frontier models, including Claude, GPT and Gemini, are closed. You do not manage infrastructure, but your data passes through the provider and you depend on its pricing and model lifecycle.