activeMathematicsReasoning
MathArena Apex
Metric: Pass@1 (higher is better)Introduced: 2026
MathArena Apex is MathArena's hardest competition-mathematics evaluation. DeepSeek V4.1 Flash launch materials report Pass@1 scores with max reasoning effort.
Models ranked
1
tracked on this benchmark
Score band
65.6 – 65.6
best → lowest tracked
Snapshot trend
—
need ≥2 snapshots
Leaderboard
Tracked models ranked by Pass@1 (higher is better).
#Model variant and provenanceRelative to leaderScore
1
DeepSeek V4.1 Flash
65.6Version: MathArena Apex Pass@1; max reasoning effortHarness: Not recordedEvaluator: Not recordedObserved: Sep 10, 2026Confidence: Not recordedSource
How to read this benchmark
This benchmark scores models where higher is better. Use scores for directional filtering and shortlisting, not universal quality ranking; then validate pricing, context window, provider availability, and fit for your workload.
Trust this score when
- There is a fresh timestamped snapshot (or multiple snapshots) for this benchmark.
- The model list covers the same version family you can actually deploy today.
- Top candidates overlap with your required routing and feature requirements.
Be cautious when
- There is only one benchmark snapshot or the dataset appears stale.
- The benchmark metric direction is opposite of your decision objective.
- The score difference between options is narrow and likely within implementation variance.
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Last reviewed: Sep 10, 2026