Epoch confirms GPT5.4 Pro solved a frontier math open problem

epoch.ai

March 24, 2026

5 min read

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Summary

A Ramsey-style problem on hypergraphs has been solved by Kevin Barreto and Liam Price using GPT-5.4 Pro. The solution has been confirmed by Will Brian and will be published, along with a transcript of the original conversation.

Key Takeaways

Kevin Barreto and Liam Price solved a Ramsey-style problem on hypergraphs using GPT-5.4 Pro, and the solution has been confirmed for publication.
Other AI models, including Opus 4.6 (max) and Gemini 3.1 Pro, were also able to solve the same problem.
The solution improves lower bounds on the values of a sequence related to the study of simultaneous convergence of sets of infinite series.
Will Brian plans to write up the solution for publication and may include follow-on work inspired by the AI's ideas.

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Epoch confirms GPT5.4 Pro solved a frontier math open problem ↗

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Community Sentiment

Positive

Positives

The confirmation that GPT-5.4 Pro solved a frontier math problem could signify a major leap in AI capabilities, potentially transforming skepticism into belief about AI's innovative potential.
The excitement surrounding AI's ability to tackle complex problems suggests a new era where AI could contribute significantly to advancements in various fields, enhancing human understanding and innovation.

Concerns

Concerns about the reliability of assessments regarding the difficulty of solved problems highlight skepticism about the true capabilities of AI, suggesting that not all achievements may be equally impressive.