Diffusion language models stop reusing one steering vector: feeding the previous prediction back lifts TruthfulQA multiple-choice average from 30.89 to 45.42
TraceSteer feeds a diffusion language model's previous denoising prediction back into activation steering, adapting both the correction direction and its strength step by step, and improves factual reliability on TruthfulQA for LLaDA-8B-Instruct and Dream-7B-Instruct.