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BenchLM

Apex

A high-difficulty mathematical reasoning benchmark reported in DeepSeek-V4 model evaluations.

Data verified 33 confirmed releases in the last 30 daysSee provider release alerts

Benchmark score on Apex — September 15, 2026

We mirror the published score view for Apex. Hy4 preview leads the public snapshot at 74.2%, followed by DeepSeek V4.1 Flash (65.6%) and A.X K2 (45.8%). We do not use these results to rank models overall.

1Open weights

Hy4 preview

Tencent

74.2%
Overall 61.16Context 1M
2Open weights

DeepSeek V4.1 Flash

DeepSeek

65.6%
Context 1M
3Open weights

A.X K2

SK Telecom

45.8%
Context 262K

12 modelsMathCurrentDisplay onlyUpdated September 15, 2026

Benchmark score table (12 models)

Score
1
Hy4 previewTencent · Open weight
74.2%
2
DeepSeek V4.1 FlashDeepSeek · Open weight
65.6%
3
A.X K2SK Telecom · Open weight
45.8%
4
Qwen3.7 MaxAlibaba · Closed
44.5%
5
DeepSeek V4 Pro 0813DeepSeek · Closed
38.3%
6
DeepSeek V4 Flash 0731DeepSeek · Closed
33.0%
7
ZAYA1-8BZyphra · Open weight
32.2%
8
DeepSeek V4 Pro (High)DeepSeek · Open weight
27.4%
9
Qwen3.7 PlusAlibaba · Closed
22.7%
10
DeepSeek V4 Flash (High)DeepSeek · Closed
19.1%
11
DeepSeek V4 FlashDeepSeek · Closed
1.0%
12
DeepSeek V4 ProDeepSeek · Open weight
0.4%

The published Apex snapshot places Hy4 preview first at 74.2%. The third row is 28.4 points behind. The broader top-10 range is 55.1 points, so the table still separates the published systems.

12 models have been evaluated on Apex. The benchmark falls in the Math category. This category carries a 5% weight in BenchLM.ai's overall scoring system. Apex is currently displayed for reference but excluded from the scoring formula, so it does not directly affect overall rankings.

About Apex

Year

2026

Tasks

Advanced mathematical reasoning

Format

Pass@1 math benchmark

Difficulty

Frontier math reasoning

BenchLM stores Apex as a display-only provider-table reference for exact first-party model comparisons.

DeepSeek-V4 Technical Report

BenchLM freshness & provenance

Version

Apex 2026

Refresh cadence

Quarterly

Staleness state

Current

Question availability

Public benchmark set

CurrentDisplay only

BenchLM uses freshness metadata to decide whether a benchmark should still be treated as a strong differentiator, a benchmark to watch, or a display-only reference. For the full scoring policy, see the BenchLM methodology page.

FAQ

What does Apex measure?

A high-difficulty mathematical reasoning benchmark reported in DeepSeek-V4 model evaluations.

Which model scores highest on Apex?

Hy4 preview by Tencent currently leads with a score of 74.2% on Apex.

How many models are evaluated on Apex?

12 AI models have been evaluated on Apex on BenchLM.

Compare Top Models on Apex

Hy4 preview vs DeepSeek V4.1 FlashDeepSeek V4.1 Flash vs A.X K2A.X K2 vs Qwen3.7 MaxQwen3.7 Max vs DeepSeek V4 Pro 0813
Last updated: September 15, 2026 · BenchLM version Apex 2026

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