Open weights
Also: open-weight, open-weight models
A model whose trained numbers are published, so anyone can download and run it.
The fuller definition
Open weights means model weight files are made available under stated terms so others can obtain and use them. The license and accompanying materials vary.
- Publisher
Releases weight files
- License
Defines permitted use
- Runtime
Loads compatible files
A simplified relationship, not a screenshot or a complete design.
A concrete example
A developer downloads weights and runs them with compatible local inference software.
The distinction that matters
Available weights do not automatically mean unrestricted use, available training data, or an open-source license.
Related terms
Model weights
The full set of numbers that make up a trained model. Download the weights and you have the model.
Hardware & hostingOpen source
Software whose code is published for anyone to use, study, and change.
Hardware & hostingLocal model
A model that runs on your own computer, so your documents never leave it.
Where it is taught
Understand the hardware a local model needsSource and further reading
Hugging Face · Model inference and quantizationThe definition and example are written for this library. The link gives background, official documentation or legal authority as labelled. Legal scope depends on the jurisdiction and current text; product features depend on release and settings.