Interactive demo: https://p.migdal.pl/invisible-cities-opus-5.5/

Source code: https://github.com/stared/invisible-cities-opus-5.5

I was finishing Invisible Cities yesterday, because the book was due at my local library today. I was wondering whether the cities could be adapted into some visual art form. And obviously I thought about feeding it to Opus. 24 hours later, I see this post…

$74 vs $ 10 vs $25 for the same prompt, The interesting number is not actually quality, its what we can get per dollar like 6 subagents runs in parallel.

The creation really is amazing. I harnet heard of the book but got a long way through it!

Cecilia looks like an average residential area in Russia.

Loads nothing on iphone lockdown mode fwiw.

Six hours of continuous runtime is the underrated part here. Most one-shot demos fall apart well before that, so this doubles as an endurance benchmark.

The first city I clicked on at random had the opening phrase:

> Arriving, you rejoice at its bridges, each different

The model city had like five bridges total, three of which were didn't bridge anything at all but instead sat in the middle of the river and went along its flow, the "bridges" for some reason pretending to be small islands.

If you haven’t read the book yet, I’m tempted to warn you against opening the visualization. Part of the joy of reading this book is letting your mind’s eye run wild, and I fear if I read it for the first time after toying with this site, I’d be remembering the cities rather than conjuring them.

Funny note about Opus 5.5.

I once instructed it to spawn at most 20 subagents and it spawned 40, with an adversarial reviewer for each of the 20.

It doesn't follow these instructions very well.