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What's the difference between closed, open‑source and open-weight AI? A researcher explains - PBS
pbs.org·July 25, 2026·1 min read
AI Summary
Closed AI refers to proprietary systems where the source code is not accessible, while open-source AI allows public access to the code for collaboration and modification. Open-weight AI, on the other hand, provides access to trained model weights but may not disclose the underlying code.
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What's the difference between closed, open‑source and open-weight AI? A researcher explains PBS
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