Precision

A performance metric that measures the proportion of actual positive instances correctly identified by a model.

An evaluation metric that measures the balance between precision and recall by calculating their harmonic mean, providing a single score for classification and information retrieval performance.

A metric that measures the proportion of correct predictions or outputs produced by a model or AI system out of all evaluated cases.

An evaluation metric that measures whether a model's prediction exactly matches the expected reference answer, without allowing partial credit.

The proportion of attempted tasks or requests that an AI agent or system completes successfully.