I gave Claude Fable 5 and GPT-5.6 the same physics problem — the wrong model impressed me.

Particle astrophysics is a research area at the interface of particle physics, astrophysics, and cosmology that investigates fundamental particles and their interactions using astrophysical sources ...

It takes just minutes for the earth to swallow me whole as I abseil into the cave’s mouth. My feet bounce off rock until suddenly the wall slopes away into a yawning cavern and I’m kicking out at open ...