
eval
/ɪˈvæl/
a structured test used to measure how well a model or AI system performs a defined task
eval in a sentence
“The team ran an eval of 200 real support questions before releasing the new prompt.”
Origin of eval
Shortening of evaluation, from French evaluer to determine value
Related Words
rubric
an explicit set of criteria and scoring rules for judging an output
reference set
a curated collection of test inputs and trusted expectations used for evaluation
evaluation baseline
a simple or established result used as the comparison point for a new approach
model regression
a decline in behavior that previously worked after a model, prompt, tool, or system changes
drift
gradual change in inputs, outputs, or conditions that can reduce system performance over time
error analysis
the systematic inspection and classification of failures to identify patterns and fixes