If open weightsA model whose trained parameters are published for anyone to download and run — unlike API-only models you can access but never possess.Full definition → availability gets curtailed by executive action, anything you self-host or fine-tuningTaking a trained model and training it a bit more on your own examples so it gets better at one specific job.Full definition → is exposed; this maps who is pushing what, and on what timeline.
Terms in this piece · Glossary
open weights — A model whose trained parameters are published for anyone to download and run — unlike API-only models you can access but never possess.
fine-tuning — Taking a trained model and training it a bit more on your own examples so it gets better at one specific job.
