Artificial Intelligence / Unit 10 AI 0567 short lesson, about 20 seconds
The Benchmark Life Cycle
Captions available
The idea
A benchmark is born discriminating, matures into a target, and retires as a formality — so the same score certifies less as the exam ages.
In practice
Contamination, world-drift, and communal tuning are the aging forces; a benchmark's birth year belongs next to its numbers.
Where people slip
Scores are evidence with a chain of custody — strongest fresh, held out, and matched to the claim.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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