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FrontierMath Tiers 1-3 - OpenAI internal run

Math · 2025-08-07

FrontierMath Tier 1-3 accuracy as run by OpenAI itself for its 2025 release posts (Python tool), on OpenAI's copy of the problem set rather than Epoch AI's private-split harness: OpenAI's GPT-5 (high) figure of 26.3% differs from Epoch's 32.4% run of the same model. Kept separate from the Epoch v1/v2 private rows; diagnostic. Higher is better.

Top models (higher is better)

ModelScore
GPT-5 Pro32.1
GPT-5.126.7
GPT-526.3
GPT-5 Mini22.1
o315.8
GPT-5 Nano9.6
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