Model Architecture & Training MethodsRumbelow & Watkins

SolidGoldMagikarp

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SolidGoldMagikarp — found 141 glitch tokens

Why it matters

Popularized the idea that a mismatch between the tokenizer and the model's training corpus is a real failure mode

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

Officiallesswrong.comhttps://www.lesswrong.com/posts/aPeJE8bSo6rAFoLqg/solidgoldmagikarp-plus-prompt-generation

Added in Week 35, 2026 · See that week

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