China’s Z.ai claims it can match Mythos on cybersecurity

China's Z.ai released GLM-5.2, a model that matches Mythos in certain cybersecurity tasks, narrowing the gap with US models. This advancement is concerning to the US government, which has restricted China's access to powerful models. The US has restricted access to models like Anthropic's Mythos and Fable. This development may impact US-China relations in the tech industry. The US government's restrictions may be less effective.