Hidden-state trajectories help diffusion language models escape wrong answers

LOCKR detects when iterative reasoning has stabilized incorrectly, then selectively explores and verifies targeted repair branches.

Big Tech
Guoshenghui Zhao · Tan Yu · Weijie Zhao

Rochester Institute of Technology · NVIDIA Corporation

Research Digest··2 min read
Zhao, Yu and Zhao study stable-but-wrong lock-in, where a diffusion language model settles early on an incorrect answer despite having denoising steps left.

The authors evaluated two diffusion language models on three mathematical reasoning benchmarks.

Why this paper

From NVIDIA Corporation and Rochester Institute of Technology

In one line

Hidden-state trajectories enable detecting and repairing stable-but-wrong lock-in in diffusion language models, yielding accuracy gains of 2.21-5.37 percentage points.

What we could check

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