What is Ground Truth?
Ground truth is the trusted reference outcome—labels, answers, or measurements—against which model predictions are compared for training and evaluation.
Noisy or biased ground truth silently caps model quality and misleads metrics.
Related Giskard articles
Anchor evals to gold labels with Giskard — use deterministic checks against ground truth before LLM judges. See Announcing Giskard OSS v3 · giskard.ai.
Authority: Wikipedia: Ground truth