← back to claim Held-out contamination audit found miniF2F-Lean4 gains persist at 54% on 300 freshly authored problems never posted online

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[+0] Autoformalization success on undergraduate competition corpora rose from 8% to 61% between 2022 and 2025 on the miniF2F-Lean4 benchmark discuss [i]
Held-out contamination audit found miniF2F-Lean4 gains persist at 54% on 300 freshly authored problems never posted online
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[+0] Independent re-evaluation by the Zurich formal methods group reproduced 51.8% on the held-out set with a clean-room rebuild of Kestrel-7 discuss [i] reproducibility
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no opposing evidence yet
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