AI Just Posted a Perfect Score at the Real Math Olympiad. I Spent Months Building One of These Systems. Here's What It Actually Takes
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In July 2026, in Shanghai, something happened that mathematicians had been debating for two years: AI systems from Huawei and Xiaohongshu were each reported to have solved all six problems of the International Mathematical Olympiad, a perfect 42 out of 42. Several other labs reported matching results on their own. It followed a 2025 breakthrough where Google DeepMind's Gemini Deep Think, officially graded by IMO coordinators, and an OpenAI experimental model both reached the gold-medal…
1Key Takeaways
- In July 2026, in Shanghai, something happened that mathematicians had been debating for two years: AI systems from Huawei and Xiaohongshu were each reported to have solved all six problems of the International Mathematical Olympiad, a perfect 42 out of 42.
- Several other labs reported matching results on their own.
- It followed a 2025 breakthrough where Google DeepMind's Gemini Deep Think, officially graded by IMO coordinators, and an OpenAI experimental model both reached the gold-medal….
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3Why it matters
Coding AI shifts how fast software ships and how much human review each change needs. DEV — ML reports that in July 2026, in Shanghai, something happened that mathematicians had been debating for two years: AI systems from Huawei and Xiaohongshu were each reported to have solved all six problems of the International Mathematical Olympiad, a perfect 42 out of 42.
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