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AI Glossary

AI terms in plain English. Someone said a word at you in a meeting — look it up and get on with your day.

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Evaluation & Quality

• A/B test
• Accuracy
• Benchmark
• Confusion matrix
• Eval set
• EvaluationEval
• F1 score
• Faithfulness
• Golden dataset
• Ground truth
• Hallucination rate
• Human evaluation
• LLM-as-a-judge
• Offline evaluation
• Online evaluation
• Pass rate
• Precision
• Recall
• Regression test
• Relevance
• Robustness
• Rubric
• Test set
• Validation set
• Win rate