They can easily issue an order for any American company to stop hosting/serving the models. If the model was a threat to national security because of its capabilities then a lot of other countries would follow, including China. No nation will allow some vibe coder with a rogue AI to pose a threat to their systems.

The reason GLM-5.2 hasn't been banned is that despite these cherry picked use cases, GLM-5.2 isn't even close to Opus in all use cases. These vibe benchmarks are ran by companies that are not part of the cyber services offered by Anthropic and OpenAI where they can use the models without the safeguards and refusals so their actual cyber capabilities can be utilized.

These guys that wrote the article compared a gimped Opus to GLM-5.2, knew full well it's misleading, and got the clicks regardless. They don't have enough clout to be a part of something like Project Glasswing, GPT Cyber, etc.

It’d be restrictions on Americans and American companies, and probably also pressure on America’s allies.

While unlikely , it is not without precedent , there are restrictions on ASML a Dutch company to sell EUV machines

How would that even work for an open-weight model?