EPFL professor recalls: ChatGPT scored 10/20 on last year's ML final exam

maksym_andr · x · 2026-10-06

An EPFL machine learning course instructor quotes his own year-old experiment: evaluating ChatGPT on last year's CS-433 final with chain-of-thought and majority vote over 5 trials yielded 10/20 correct — clearly above the 4/20 chance level, though far from a strong 30/36 score. The exam comes from the course's public GitHub repo (2.1k stars), a snapshot of how hard traditional ML coursework was for pre-reasoning LLMs.

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