# Evaluation dataset

URL: https://aidataforsale.com/glossary/evaluation-dataset
Publisher: AI Data For Sale (Marketing Signals Ltd)
Updated: 2026-11-10

A set of tasks with checked answers used to measure a model's ability, kept separate from training data.

Private evaluation sets are valuable because public benchmarks leak into training data. See [evaluation datasets](https://aidataforsale.com/data/evaluation-datasets).