Fully local little parkour sim

I vibed this up this weekend, fully local, with GLM 5.3 Flash running on 2x DGX Sparks.

vllm TP2 recipe: https://github.com/tonyd2wild/GLM-5.3-Flash-NVFP4-DFlash2-2x-DGX-Spark

Prefill: \~1500t/s
Decode: \~40t/s @ 100k

Using Claude Code as the scaffold with 260k context size.

I'm really impressed with this model. Feels somewhere between GLM 5.1 and 5.3 in terms of coding depending on the task. Good vision and 3D understanding. Solid interactive speeds. I feel like I've finally reached a "good enough" setup at home, and looking forward to things only getting better from here.