World May 21, 2026 · 1 min read

OpenAI makes breakthrough on 80-year-old maths problem

Company says work on Paul Erdős planar unit distance problem shows advance in AI reasoningOpenAI has claimed a further advance in AI reasoning after its technology successfully tackled an 80-year-old maths problem.The company behind ChatGPT said it had made a breakthrough with a challenge first pose...

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The Guardian
by Dan Milmo and Ian Sample
OpenAI makes breakthrough on 80-year-old maths problem

Company says work on Paul Erdős planar unit distance problem shows advance in AI reasoning

OpenAI has claimed a further advance in AI reasoning after its technology successfully tackled an 80-year-old maths problem.

The company behind ChatGPT said it had made a breakthrough with a challenge first posed by Hungarian mathematician Paul Erdős in 1946: the planar unit distance problem.

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This article was originally published by The Guardian and written by Dan Milmo and Ian Sample.

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