(And no, the Linux Foundation being in the list doesn't imply broad benefit to OSS. Linux Foundation has an agenda and will pick who benefits according to what is good for them.)
I think it would be net better for the public if they just made Mythos available to everyone.
You could say this about coordinated disclosure of any widespread 0-day or new bug class, though
I think I just broke my cynicism meter :-(
It's messed up that the US Government simultaneously claims to be a public benefit and is also picking who gets to benefit from their newly enhanced nuclear capabilities.
-- someone in 1945, probably
There will always be a more capable technology in the hands of the few who hold the power, they're just sharing that with the world more openly.
https://claude.com/contact-sales/claude-for-oss
... As mentioned in the article.