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Open Source, Open Weight, Proprietary: The AI Terms Everyone Gets Wrong

Original: The Big AI Terms Everyone Is Getting Wrong: Open Source, Open Weight And Proprietary

Commentators are breaking down widespread confusion over key artificial intelligence terminology, arguing that terms like 'open source', 'open weight' and 'proprietary' are routinely misused in debates about AI models. The clarification matters because release models differ significantly: open weight models publish parameters without full training details, while genuinely open source releases include code and data. As companies increasingly market models as 'open', clearer definitions are seen as essential for regulators, developers and businesses making deployment decisions.

Why now: Growing debate over what 'open' really means as AI companies release models under misleading labels.

Bernard Marropen source AIopen weight models

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