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MIT scientists build the world’s largest collection of Olympiad-level math problems, and open it to everyone

New dataset of 30,000-plus competition math problems from 47 countries gives AI researchers a harder test — and students worldwide a better training ground.

SourceMIT News AIAuthor: Rachel Gordon | MIT CSAIL
MIT scientists build the world’s largest collection of Olympiad-level math problems, and open it to everyone
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Key points

  • MathNet contains over 30,000 expert-authored proof-based math problems from 47 countries, 17 languages, and 143 competitions.
  • It is five times larger than the next-biggest dataset, drawing exclusively from official national competition booklets.
  • Top-performing GPT-5 averaged 69.3% accuracy, while open-source models scored 0% on Mongolian-language problems.
  • The dataset includes a retrieval benchmark where even the best models identify structural matches only about 5% of the time.

Highlights and analysis are generated automatically and may contain errors. Check the original source.

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