Model Spec Midtraining

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Model Spec Midtraining

Why it matters

Putting a norms document into midtraining, before alignment fine-tuning, improves generalization

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

Officialalignment.anthropic.comhttps://alignment.anthropic.com/2026/msm/

Added in Week 35, 2026 · See that week

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