Look up perplexity in Wiktionary, the free dictionary.

Perplexity is a measurement of how well a probability distribution or probability model predicts a sample.

Perplexity may also refer to:

• Perplexity (video game), a 1990 video game
• Perplex City, an alternate reality game (ARG)
• Perplexity AI, a software company

See also

• The Perplexities , a 1767 comedy play by Thomas Hull

This disambiguation page lists articles associated with the title Perplexity.
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