Technical
Open-weight model
A model whose weights are publicly available.
Definition
An AI model whose trained parameters (weights) are publicly available, enabling replication, fine-tuning, or redistribution by third parties; identified as higher risk in certain national security contexts and addressed through specific safeguards in the NSM.
Related Terms
Open model
A model with openly available code or weights....
Frontier AI model
General-purpose models near cutting‑edge performance....
Open models
Models using controlled access to public datasets for reuse....
Model
A trained algorithmic artifact that performs tasks using learned parameters....
Critical Technical Artifacts (CTAs)
Model weights, training data, or code that enable capability replication....