Benchmarks · math
MathArena Apex Shortlist
MathArena's Apex shortlist: the hardest final-answer problems from 2025 competitions that models still struggle with. Accuracy over repeated attempts.
33 models · 33 results · data as of 2026-11-06 · matharena.ai ↗
Leaderboard
GPT-5.5 xhigh
Heavy line: best score at each price. Thin lines join one model's effort levels. Cost uses each model's median subscription plan, or API price with no plan data. 23 more models under All models in settings.
All results
33 rows| # | Model | Effort | MathArena Apex Shortlist | Subscription $ / task | API $ / task |
|---|---|---|---|---|---|
| 1 | GPT-5.5 | xhigh | 98.4% ±1.7 | $0.021 | $0.77 |
| 2 | Gemini 3.1 Pro | high | 92.0% ±3.9 | $0.37 | $0.37 |
| 3 | Kimi K3 | max | 92.0% ±3.9 | $0.060 | $0.66 |
| 4 | Opus 4.8 | max | 90.4% ±4.2 | $0.054 | $3.14 |
| 5 | DeepSeek V4 Flash | max | 89.4% ±4.4 | $0.002 | $0.040 |
| 6 | DeepSeek V4 Pro | max | 87.8% ±4.7 | $0.057 | $0.34 |
| 7 | Opus 4.6 | high | 86.7% ±4.9 | $1.80 | $1.80 |
| 8 | Gemini 3.5 Flash | xhigh | 82.5% ±5.4 | $0.26 | $0.26 |
| 9 | GPT-5.4 | xhigh | 81.4% ±5.6 | $0.53 | $0.53 |
| 10 | GPT-5.2 | high | 79.3% ±5.8 | $0.76 | $0.76 |
| 11 | Kimi K2.6 | max | 77.1% ±6.0 | $0.14 | $0.27 |
| 12 | GLM 5.1 | max | 71.8% ±6.4 | $0.063 | $0.24 |
| 13 | Gemini 3.6 Flash | xhigh | 71.3% ±6.5 | $0.006 | $0.19 |
| 14 | DeepSeek V3.2 | high | 69.7% ±6.6 | $0.028 | $0.028 |
| 15 | Gemini 3 Flash | high | 68.6% ±6.6 | $0.090 | $0.090 |
| 16 | GLM 5 | high | 68.6% ±6.6 | $0.11 | $0.22 |
| 17 | GLM 5.2 | max | 68.1% ±6.7 | $0.005 | $0.16 |
| 18 | Gemini 3 Pro | high | 66.5% ±6.7 | $0.27 | $0.27 |
| 19 | Opus 4.7 | xhigh | 63.8% ±6.9 | $1.83 | $1.83 |
| 20 | Qwen 3.5 397B-A17B | max | 60.1% ±7.0 | $0.14 | $0.14 |
| 21 | Grok 4.1 Fast | high | 57.9% ±2.5 | $0.014 | $0.014 |
| 22 | Grok 4 | high | 57.5% ±7.1 | $0.52 | $0.52 |
| 23 | Kimi K2.5 | max | 57.5% ±7.1 | $0.080 | $0.16 |
| 24 | GPT-5.1 | high | 55.9% ±7.1 | $0.57 | $0.57 |
| 25 | Grok 4 Fast | none | 55.3% ±7.1 | $0.012 | $0.012 |
| 26 | Qwen 3.5 27B | high | 52.1% ±7.2 | $0.15 | $0.15 |
| 27 | Kimi K2 | medium | 47.3% ±7.1 | $0.14 | $0.14 |
| 28 | gpt-oss-120b | high | 45.2% ±7.1 | $0.026 | $0.026 |
| 29 | Qwen 3.5 35B-A3B | low | 44.7% ±7.1 | $0.085 | $0.085 |
| 30 | GPT-5 Mini | high | 39.9% ±7.0 | $0.068 | $0.068 |