The quiet rise of in-house open models
2026-10-22 · Models
The loud conversation is about frontier models. The quiet one is about the model running inside the firm's own walls.
Confidentiality stops being a promise in a contract and becomes an architecture.
The loud conversation is about frontier models. The quiet one is about the model running on the firm's own hardware, or in its own cloud tenant, where a privileged document never crosses a vendor boundary.
Open weights make that possible without a research team. It is not free — someone has to run it, patch it and test it — but the economics have flipped for firms with enough volume.
Confidentiality stops being a promise in a contract and becomes an architecture.
Written for legal professionals. Not legal advice. Always verify every authority and let a named lawyer sign off.