OpenAI's internal AI model just solved an 80-year-old math problem — and mathematicians verified it
OpenAI's internal AI model has successfully solved the planar unit distance problem, an 80-year-old mathematical puzzle. This achievement marks a significant milestone in the intersection of artificial intelligence and mathematics. The model's solution surpassed previous human limits and utilized a novel approach not specifically trained for mathematical problems.
- ▪The planar unit distance problem was first posed by mathematician Paul Erdős in 1946.
- ▪OpenAI's model found arrangements that exceeded the previously established upper bound from 1984.
- ▪This is the first time a prominent open mathematical problem has been solved autonomously by AI.
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Technology Artificial Intelligence OpenAI's internal AI model just solved an 80-year-old math problem — and mathematicians verified it The closest the field has come to solving the planar unit distance problem, first proposed in the 1940s, was in 1984. Now, OpenAI claims an internal model has cracked the puzzle. By Drew Turney published 29 May 2026 in News When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. How many unit distances can you fit on a single piece of paper? OpenAI says one of its models knows.
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