AI Glossary

Probability

What does “Probability” mean?

Probability: A number between 0 and 1 expressing how likely something is. Many AI models output probabilities rather than certainties, for example scoring each possible next word. A system then picks from those options, which is why the same question can produce different answers.

Probability visual guide: A number between 0 and 1 expressing how likely something is. Many AI models output probabilities rather than certainties, for example scoring each possible next word. A system then picks from those options, which is why the same question can produce different answers.
Visual guide Open full size (new tab)

What is an example of “Probability”?

A model might rate "Paris" as far more probable than "Rome" to finish "The capital of France is".

Keep learning

See also

PredictionTermTemperatureTermTop-pTermLarge language modelTerm

Same topic

PromptTermReinforcement learningTermParametersTermSelf-supervised learningTermNeural networkTerm