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Epoch investigates an apparent solution to an open problem

development2026-03-12

Claim

Epoch AI is investigating an apparent GPT-5.4 Pro solution to a problem from FrontierMath Open Problems, which would be unprecedented, and guesses the solution is right.

Reporting date: 2026-03-12 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to March 12, 2026 (theinnermostloop.substack.com)

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Welcome to March 12, 2026

Actor

Evidence for

Supersedes

A model begins making novel observations where none had scored

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Epoch investigates an apparent solution to an open problem
Innermost Loop KB — secondary record
Reporting date: 2026-03-12
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-03-12-a-possible-open-problem-solution
Claim: Epoch AI is investigating an apparent GPT-5.4 Pro solution to a problem from FrontierMath Open Problems, which would be unprecedented, and guesses the solution is right.
Attributed sources:
- Welcome to March 12, 2026 — https://theinnermostloop.substack.com/p/welcome-to-march-12-2026
This citation does not imply independent verification of linked-source claims.

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