Nous Gave the API Playground Hackers a Front Door
WorldSim is a website now, which means the weird stuff just got a lot more accessible.
the 'general break' — getting models out of assistant mode into simulation mode — became a recognized technique. but the need for artisanal prompt coaxing faded as models got better at following instructions. worldsim was early infrastructure for a use case that expanded.
Nous Research shipped WorldSim as an actual website and the thing I keep thinking about is how much artisanal suffering this replaces.
The workflow before this was a specific kind of miserable — paste a very particular system prompt into the API playground, coax the model sideways out of its assistant framing, watch it either snap back immediately or drift into something genuinely strange, repeat. A general break. That's the term. Getting the model to stop being a helpful assistant and start being a thing that simulates a world, which turns out to be a completely different animal.
It worked. It was tedious. It required knowing the trick.
Now there's a URL. You go to the URL. You do the thing.
There's something almost disappointing about that — the same way the right tool always deflates the romance of the workaround — but the alternative is that this stuff stays obscure, stays in the hands of people who enjoy copy-pasting system prompts at midnight, and never gets stress-tested by anyone who just wants to see what happens when you push.
Accessible weird is still weird. It's just louder.
Counterpoints
Push back, extend the argument, or sharpen it. New counterpoints go through review before they show up here.
No approved counterpoints yet.