David Sacks says open-source AI should stay usable for U.S. developers
beffjezos · x · 2026-07-25
David Sacks argues that open-source AI should remain usable by American developers, not locked down by model vendors.
In the quoted remarks, he says Cursor used the Chinese open-source model Kimi K2.5 plus proprietary coding data to create Composer 2, and that this is exactly how open source is supposed to work: take public-domain models, adapt them with your own data, and build derivative products. The post frames Anthropic as trying to squeeze open-source AI and the developers who depend on it.
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