Paper finds diffusion language models encode denoising progress in hidden states
Sapienza · hf · 2026-07-23
Subliminal Clocks studies whether diffusion language models encode denoising progress internally.
- The authors show that DLMs contain a latent representation related to the diffusion timestep inside residual streams
- Probes can extract this signal across layers, suggesting denoising progress is decodable from activations
- Steering the model along a low-dimensional subspace tied to the inferred timestep changes confidence and entropy in predictable ways
- The paper also analyzes the geometry of this representation and argues it is structured and interpretable
Related event: Study: Diffusion Language Models Have Subliminal Clocks(2 posts)→
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