Test a Model Swap with Paired Cases, Not Two Averages
This story is from 2026-10-19. It is preserved in the archive; the latest stories are on the live feed.
A model swap looks safe right up until you compare the two runs case by case, because aggregate scores hide the flips that actually break your product. Two backends can both land at 71 percent on the same frozen set while nine cases move in each direction, and the nine that moved down are the only…
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- 2026-10-19 09:09 · DEV Community — AI
Test a Model Swap with Paired Cases, Not Two Averages