Qwen 3.6 vs. 3.8 27B. Qwen 3.8 (xhigh reasoning default) Considered Harmful.
Evaluates Qwen 3.8 27B against Qwen 3.6 27B on psim-blackbox using pi harness 0.79.3 across low, medium, and xhigh reasoning settings, showing performance varies significantly by mode.
















































