How political censorship actually works inside Qwen, DeepSeek, GLM, and Yi: Ablation and behavioral results across 9 models

New paper studying the internal mechanisms of political censorship in Chinese-origin LLMs: https://arxiv.org/abs/2603.18280 Findings relevant to this community: On Qwen/Alibaba - the generational shift: Across Qwen2.5-7B → Qwen3-8B → Qwen3.5-4B → Qwen3.5-9B, hard refusal went from 6.2% to 25% to 0%