Definition
Model version records which underlying model or agent product produced the outputs. It should be paired with evaluation date, prompt version, and settings when possible.
AI Agent term
Model Version
The specific model release or product version used during an evaluation.
Why it matters
AI products change quickly. Without model version, old results can be hard to interpret or reproduce.
Example
A vendor updates its default model, so a support benchmark should be rerun and labeled with the new version.