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MathArena Apex

MathArena's hardest set of recent competition problems (pass@1).

% solvedHigher is betterThe test's websiteOfficial page ↗

The best 7 · 7 models tested

Top 7 · best setting per model · 7 models, 11 results (0 independent)

Measured by independent testersIndependent Reported by the makerVendor-reported
MathArena Apex leaderboard
Thinking levelSetting
1DeepSeek V4.1 FlashDeepSeek65.6%Maxreasoning_effort=100 (max)Maker's own figureVendor-reportedDeepSeek ↗—10 Sep 2026
2DeepSeek V4 Pro (0813)DeepSeek65.3%MaxMax reasoning effortMaker's own figureVendor-reportedDeepSeek ↗—10 Sep 2026
3DeepSeek V4 Flash (0731)DeepSeek58.6%MaxMax reasoning effortMaker's own figureVendor-reportedDeepSeek ↗—10 Sep 2026
4Qwen3.7 MaxQwen (Alibaba)44.5%Defaultthinking (vendor recommends 'Reasoning effort is set to xhigh' system prompt for reasoning tasks)Maker's own figureVendor-reportedQwen (Alibaba) ↗—16 May 2026
5DeepSeek V4 Pro (Preview, 0423)DeepSeek38.3%MaxThink MaxMaker's own figureVendor-reportedDeepSeek ↗—24 Apr 2026
6DeepSeek V4 Flash (Preview, 0423)DeepSeek33.0%MaxThink MaxMaker's own figureVendor-reportedDeepSeek ↗—24 Apr 2026
7Qwen3.7 PlusQwen (Alibaba)22.7%DefaultthinkingMaker's own figureVendor-reportedQwen (Alibaba) ↗—21 May 2026