Ground truth
The reference answer or label against which output is evaluated.
What Ground truth does not show
In subjective or changing domains, it may be a negotiated judgment rather than objective truth.
Where Ground truth comes up on this site
- Four AI models, three local businesses: who got it rightThat is your ground truth.
Terms this definition uses
Related terms in Measurement and evaluation
How a measurement earns trust: evaluation sets, error rates, calibration, reproducibility, and the biases that make a number look better than it is.
AI answer reading · name confusion · hedged answer · Benchmark · Evaluation set · Golden dataset · Human evaluation · LLM-as-judge · Pairwise evaluation · Pointwise evaluation · Rubric · Inter-rater agreement · Accuracy · F1 score · False positive rate · False negative · True positive · True negative · Calibration · Confidence score · Coverage · Abstention · Reproducibility · Repeatability · Variance · Confidence interval · Sample size · Sampling bias · Selection bias · Survivorship bias · Data leakage · Test contamination
Questions about Ground truth
What is Ground truth?
The reference answer or label against which output is evaluated.
What does Ground truth not show or guarantee?
In subjective or changing domains, it may be a negotiated judgment rather than objective truth.
Which area of the glossary does Ground truth belong to?
Measurement and evaluation: How a measurement earns trust: evaluation sets, error rates, calibration, reproducibility, and the biases that make a number look better than it is.
← Golden dataset · Human evaluation →
See it in the full glossary · 772 terms across 19 areas.
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