OpenAI's unreleased model reportedly solved most math problems in a single prompt

Puzzleheaded-King584 · reddit · 2026-10-11

A Reddit user shared a screenshot claiming an unreleased OpenAI model—reportedly nonexistent before the end of August—solved most problems from a set of math benchmarks in a single prompt, with each problem taking roughly 3 hours of thinking. Unverified, but a notable signal on frontier reasoning capability.

Related event: Report: Unreleased OpenAI Model Solves Most Math Problems in a Single Prompt(3 posts)→

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