This release is only done on other open-weight LLMs which have been released and even though they will use this research on their own closed Claude models, they will never release an open-weight Claude model even if it is for research purposes.
So this does not count, and it is specifically for the sake of this research only.
Here’s the full source code for training your own NLA, provided by Anthropic.
To counter the grandparent you’re replying to: Embrace, Extend & Extinguish is a Microsoft strategy. So is FUD, and that’s all this is.