The plain-English version
A simple reference method measured on the same examples as a proposed model or prompt.
Why it matters
It shows whether added complexity provides useful improvement.
Let’s make it click
Compare an intent classifier with a majority-class predictor and a clear keyword rule.
Vibe Bro’s heads-up
A sophisticated model's score is difficult to interpret without the task difficulty and the performance of a simpler alternative.
The docs behind it
Documentation links checked .
Editorial review · October 28, 2026
Supported: Simple same-case reference methods are valid baselines; no sophistication benefit is assumed.