Anthropic Ban Forces AI Investors to Reckon With Political Risk

Investors in the ever-hotter AI stock rally must suddenly consider a risk with the potential to be even more damaging than high valuations and big spending: Politics getting in the way.

The US administration’s move to block foreign nationals from accessing Anthropic PBC’s most advanced models over security fears was an unprecedented intervention in the affairs of a leading AI lab. In response, Anthropic disabled all access to the two models for everyone.

Washington has for years policed the chips that train artificial intelligence, but its reach for models themselves is a wake-up call: The risk of government intervention ...