Glossary

Open weights — Glossary

Model parameters released for download, often under licenses that still restrict some uses.

Also known as: open-weight model

Reviewed:

Full definition

Open-weight models let you self-host and fine-tune, but “open weights” is not identical to OSI open source. Licenses may limit commercial use or redistribution.

Operators assume responsibility for security monitoring and misuse prevention. Compare carefully with proprietary APIs on your evaluations.

Related encyclopedia topic

Open-Weight Models — Open-weight models release learned parameters for download and local or self-hosted inference, with licenses that may still restrict some commercial uses.

← Back to glossary · Learning hub