Claude Mythos solves the Erdős Discrepancy Problem

Anthropic’s Claude Mythos model has solved the Erdős Discrepancy Problem, an open question in combinatorial geometry since 1946. This comes after OpenAI claimed a solution.
Engineer Sholto Douglas said Mythos found a simple, elegant proof using a system of isolated Claude Code agents. They autonomously developed solution paths, shared results, and peer-reviewed each other’s findings.
Mathematician Daniel Litt described Mythos’ proof as slightly less rigorous than OpenAI’s, but still valid. Anthropic has published the proof generated with Opus 4.7.
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