DadgogoAI Dictionary

Dictionary entry

top-p

noun \ˈtäp ˈpē\

also nucleus sampling

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Definition of top-p

  1. : a sampling setting that lets a model choose only from the most likely next tokens whose combined probability adds up to a chosen value, such as 0.9

    • Top-p of 0.9 cuts off the long tail of odd word choices.
    • Most people only need to adjust temperature, not top-p.

Origin & history

first known use2019

Introduced as 'nucleus sampling' in a 2019 research paper.

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Cite this entry

"Top-p." AI Dictionary, Dadgogo, https://dadgogo.com/dictionary/top-p/. Accessed 4 Oct. 2026.

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