Evaluator Bench
The Decoder, 2025-01-19; retrieved 2026-09-14 tier 4 press (primary)confirmed

OpenAI quietly funded independent math benchmark

https://the-decoder.com/openai-quietly-funded-independent-math-benchmark-before-setting-record-with-o3/

Agreement prevented revealing support until o3 announcement. Cited from a search snippet; not re-fetched in full. [verify 2026-09-15] reachable BUT span(s) not found: epoch.01 — needs curator review [verify 2026-09-15 grok-pass] Full slug .../openai-quietly-funded-independent-math-benchmark-before-setting-record-with-o3/. Confirms OpenAI funded FrontierMath (paper thanks OpenAI); no amount.

Signals citing this source

  • Epoch AI, F (against): OpenAI commissioned and owns most of FrontierMath and had the problems and solutions; a contract barred disclosing this until the o3 launch.

Ledger rows citing this URL

  • none