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Language Scratchpad in Model Reasoning

Updated 5 July 2026
  • Language scratchpad is an intermediate workspace that enables models to execute multi-step reasoning by storing, processing, and updating intermediate computations.
  • They are implemented in various forms—such as explicit textual reasoning, mutable neural memories, and latent tokens—to suit diverse tasks like arithmetic, code execution, and robotics.
  • Recent studies indicate that scratchpads improve performance and generalization, though their effectiveness depends highly on supervision, task structure, and deployment conditions.

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