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THIS ONE IS FINISHED. It stopped being a frontier on 2026-09-07: saturated. The page stays, because what it recorded still happened.
A perfect score. There is nowhere above it.
100 per cent
Held by Claude Fable 5.1. Set 2026-09-01. Written down here 2026-09-07.
Practice papers for the examination that selects the strongest school-age mathematicians in the United States for the next round. The best model answers every question on them. There is no score above this one, which is what the end of a frontier looks like when it arrives.
That description was written when this frontier was opened, on 2026-09-07, and is never rewritten. Where it and the number above it disagree, the number is the reading and the description is history.
Where to check it: https://epoch.ai/data/ai-benchmarking-dashboard
The program reads it from https://epoch.ai/data/benchmarks.csv, which is the same figure in a form a script can parse.
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