A 30B model trained via reverse-perplexity SFT, two-stage RL, and test-time scaling achieves gold-medal-level results on IMO 2025 and IPhO 2024/2025.
(Note that0∈Sbecause its representation ”0” has no digit1.) If n=a+b with a, b∈S , then the pair (a, b) shows that n isnotsolitary (both a and b lack a digit 1)
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Achieving Gold-Medal-Level Olympiad Reasoning via Simple and Unified Scaling
A 30B model trained via reverse-perplexity SFT, two-stage RL, and test-time scaling achieves gold-medal-level results on IMO 2025 and IPhO 2024/2025.