ChatGPT o3 meticulously spotted every subtle difference that the earlier o1‑pro model (2025‑01‑18) missed.

ModelCorrect AnswersNoteso3 (2025‑04)****5 / 5Zero false detectionso1‑pro (2025‑01)3 / 5Failed to catch the number of nails and the length of the tool’s handle

(Watch the demo video below for the full verification process.)

About the teaching materials used in the video