Pbs iconPbsJul 25, 2026

What's the difference between closed, open‑source and open-weight AI? A researcher explains

AI models that are open source allow developers and users to see and modify the underlying program code.

What's the difference between closed, open‑source and open-weight AI? A researcher explains

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AI models that are open source allow developers and users to see and modify the underlying program code.

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AI models that are open source allow developers and users to see and modify the underlying program code.

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