Dictionary entry
top-p
also nucleus sampling
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Definition of top-p
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: 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.
Dictionary entries near top-p
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