It can take about 20 seconds to return all tokens so it appears likely the login prompt is there to minimise resource consumption.
[1] https://developer.mozilla.org/en-US/docs/Web/API/Server-sent...
That begs the question what the point is of an announcement in English?
The models aren't what worry me anyway. China is going to kick our ass when it comes to AI integration into society and the economy.
Imagine the difficulties faced by America vs China in integrating AI into healthcare.
We are just too worried about winning this AI model sporting event even though the entire concept is flawed and doomed to failure. We actually have to figure out how to use these models for more than how many Rs are in strawberry. That appears to be the actual hard part.
Of course, none of this is helped by having wasted an entire generation of some of America's best minds on javascript programming for obscene profit.