Glossary · Term

P-mass

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Definition

How much of a model's total belief is sitting on different ways to spell the same correct answer, added together.

The summed probability the model assigns across all token-level spelling variants of the correct concept; used in commitment-failure analysis to collapse vocabulary fragmentation that token-level entropy treats as uncertainty.

Mentioned in 1 episode

  1. 070
    When Models Know the Answer But Say the Wrong Thing Anyway