Prompt EngineeringNiklas Muennighoff et al. (Stanford and others)Stanford University

Muennighoff et al. present s1

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Presented s1 — controls test-time compute with fine-tuning on 1,000 samples plus budget forcing (forcibly inserting Wait / ending early)

Why it matters

A technique for controlling reasoning length itself at the prompt and decoding level

Source — Primary sources first; secondary reports are labelled “Press”

Paperarxiv.orghttps://arxiv.org/abs/2501.19393

Added in Week 35, 2026 · See that week

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