Why “open weights” still aren’t the same thing as open source
aronchick · x · 2026-07-28
- The post argues that calling model weights “open” is not the same thing as calling software open source.
- It traces the term “open source” back to 1998, when it was coined to distinguish source code access from merely free-to-download binaries.
- The essay’s core point is that open weights may be useful, but they still need a clearer category: what does a download actually give you, and what rights or abilities come with it?
- It frames the current debate as a category problem, not just a pricing problem, and references recent arguments that open-weight AI may be entering its own Kubernetes-like moment.
Related event: Industry Debates: Open Weights Are Not True Open Source(4 posts)→
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