Qwen3.8-27B, one shot each

A 27B model quantised to 3 bits, on one RTX 5080 with 16 GB. Every file below came back from a single request with no follow-up message, and nothing was fixed by hand.

Two runs of the same five prompts at the same seed, differing only in the KV cache data type. Several of these are broken. That is the point.

Start here

The galleryeverything on one page, running, with the bugs found in each listed underneath

4-bit KV cache

Flappy Birdplayable · space or click · the first gap is close to impossible Solar systemruns · hover a planet · the eight orbital periods are correct to 3 decimals Mandelbrotblack screen · a const is read three lines before it is declared Spinning heptagonno simulation · 153 constant declarations, then it ran out of tokens Pelican on a bicyclelegs leave the frame · one leg endpoint uses cy, which <line> does not have

16-bit KV cache, same seed

Flappy Birdplayable · hitting the ground softlocks it Solar systemruns Mandelbrotblank · a duplicate const in one scope Spinning heptagona complete simulation in 3,775 tokens Pelican on a bicyclelegs reach the pedals