GradCuit: Credit-Assigned Gradient Flow Enables Robust and Interpretable Test-Time Latent Reasoning
At test time, adjusts extra hidden states inside the transformer using feedback on generated answers, while keeping the model’s weights fixed.
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arXiv:2608.02585 · Initial submission: 2026-08-03
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Continuous-state reasoning — Use vectors—lists of numbers—to carry intermediate reasoning from one step to the next, instead of selecting a text token at every step. Some methods use the model's hidden states; others combine several candidate token representations.
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