Core Concepts

Understand the building blocks of Harness AI Evals, including targets, datasets, metrics, evaluations, and suites.

Learn the building blocks that compose every evaluation in AI Evals.

• Targets: The AI systems you evaluate (Prompt, App, Static).

• Datasets: Golden test cases that define what "correct" looks like.

• Metrics: The scoring rubric (47+ built-in metrics across 9 categories).