
Qwen3.5-4B Heretic Slashes AI Refusals by 87% Without Breaking Benchmarks
Qwen3.5-4B-heretic drops refusals from 99/100 to 13/100 at KL divergence 0.0081 from the base model MMLU, PIQA, and WinoGrande scores stay within one standard error of the original Qwen3.5-4B Produced using Heretic 2.0 with Arbitrary-Rank Ablation on language layers 15 to 27 Ships as 2.71GB Q4_K_M




















