DadgogoAI Dictionary

Dictionary entry Trending

open weights

adjective \ˈō-pən ˈwāts\

also open-weight model

TopicModels & Behavior First known use2023 Senses1
Advertisement

Definition of open weights

  1. : describing a model whose trained weights are published so anyone can download, run, and modify it, even if the training data and code are not released

    • The open-weights release let thousands of developers run the model on their own servers.
    • Chinese labs have become leaders in open-weights models.

Origin & history

first known use2023

Used from 2023 to distinguish freely downloadable models from fully open-source ones.

Test yourself

Which of these is the meaning of open weights?

Related terms

open-source model a model released with its weights, code and, ideally, enough information about its training… weights the learned numbers stored in a trained neural network that determine how strongly each part… fine-tuning further training of an existing model on a smaller, focused dataset so it gets better at a…

Cite this entry

"Open weights." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/open-weights/. Accessed 4 Oct. 2026.

Dictionary entries near open weights

Advertisement