FrontierMath Tier 4
The hardest FrontierMath tier: problems that take specialists days. Run by Epoch AI.
| Category | Math |
|---|---|
| Metric | Accuracy |
| Source | Epoch AI (evaluator) |
| License | CC BY 4.0 |
| Benchmark page | epoch.ai |
| Status | Scored |
| Weight | 1.2 within Math |
| Fit | Discrimination 3.69, noise 0.49 |
| Lineage | Shares weight with frontiermath_tier_4 |
Results
| # | Model | Provider | Result | Date |
|---|---|---|---|---|
| 1 | Claude Fable 5.2 Max | Anthropic | 100.0% | 2026-11-06 |
| 2 | GPT-6.1 Sol Max | OpenAI | 100.0% | 2026-09-29 |
| 3 | GPT-6 Astra Max | OpenAI | 97.6% | 2026-08-30 |
| 4 | GPT-6 Astra High | OpenAI | 97.6% | 2026-08-30 |
| 5 | GPT-6 Astra Extra High | OpenAI | 97.6% | 2026-08-30 |
| 6 | GPT-6 Astra Medium | OpenAI | 97.6% | 2026-08-30 |
| 7 | Gemini 4 Carbon High | 95.1% | 2026-11-02 | |
| 8 | Claude Opus 5.5 Max | Anthropic | 95.0% | 2026-09-22 |
| 9 | GPT-6.1 Terra Max | OpenAI | 92.7% | 2026-10-26 |
| 10 | Claude Fable 5 Max | Anthropic | 90.2% | 2026-06-09 |
| 11 | GPT-6 Sol Max | OpenAI | 90.0% | 2026-09-22 |
| 12 | Claude Fable 5.1 Max | Anthropic | 87.8% | 2026-09-01 |
| 13 | GPT-6 Astra Low | OpenAI | 87.8% | 2026-08-30 |
| 14 | GPT-5.6 Sol Max | OpenAI | 82.9% | 2026-07-09 |
| 15 | GPT-6 Astra Non-reasoning | OpenAI | 82.9% | 2026-08-30 |
| 16 | Claude Sonnet 5.5 Max | Anthropic | 80.5% | 2026-09-29 |
| 17 | GPT-5.6 Sol Pro Max | OpenAI | 80.5% | 2026-07-09 |
| 18 | Gemini 4 Argon High | 78.1% | 2026-10-13 | |
| 19 | GPT-5.5 Pro Extra High | OpenAI | 78.1% | 2026-06-12 |
| 20 | AI Co-Mathematician | 75.6% | 2026-06-12 | |
| 21 | Claude Opus 5 Max | Anthropic | 73.2% | 2026-07-24 |
| 22 | GPT-5.5 Extra High | OpenAI | 72.5% | 2026-06-11 |
| 23 | GPT-5.6 Terra Max | OpenAI | 70.7% | 2026-07-09 |
| 24 | Muse Wonder Max | Meta | 70.7% | 2026-10-12 |
| 25 | Kimi K3.1 Pro Max | Moonshot AI | 65.9% | 2026-11-06 |
| 26 | GPT-5.6 Luna Max | OpenAI | 61.0% | 2026-07-09 |
| 27 | GPT-5.4 Pro Extra High | OpenAI | 58.5% | 2026-06-13 |
| 28 | GPT-6 Luna Max | OpenAI | 56.1% | 2026-09-22 |
| 29 | Claude Opus 4.8 Max | Anthropic | 56.1% | 2026-06-10 |
| 30 | GPT-5.4 Extra High | OpenAI | 49.0% | 2026-06-11 |
| 31 | DeepSeek V4.1 Flash 1017 Max | DeepSeek | 46.3% | 2026-10-19 |
| 32 | Claude Haiku 5.5 Max | Anthropic | 46.3% | 2026-10-07 |
| 33 | Qwen3.8 Max Extra High | Alibaba | 46.3% | 2026-08-04 |
| 34 | Muse Spark 1.3 Max | Meta | 46.3% | 2026-09-18 |
| 35 | GPT-5.2 Pro Extra High | OpenAI | 46.0% | 2026-06-13 |
| 36 | Muse Spark 1.3 Extra High | Meta | 41.5% | 2026-09-16 |
| 37 | Kimi K3 Max | Moonshot AI | 39.0% | 2026-07-17 |
| 38 | Gemini 3.7 Flash High | 36.6% | 2026-08-14 | |
| 39 | Qwen3.7 Max | Alibaba | 34.2% | 2026-06-13 |
| 40 | Qwen3.8 Max 0902 Extra High | Alibaba | 34.2% | 2026-09-02 |
| 41 | Muse Spark Open Extra High | Meta | 31.7% | 2026-10-15 |
| 42 | Grok 4.6 Extra High | xAI | 31.7% | 2026-08-14 |
| 43 | Claude Opus 4.7 Max | Anthropic | 31.7% | 2026-06-10 |
| 44 | GPT-5.2 Extra High | OpenAI | 31.7% | 2026-06-11 |
| 45 | GLM-5.3 Max | Zhipu AI | 29.3% | 2026-08-25 |
| 46 | Claude Sonnet 5 Max | Anthropic | 29.3% | 2026-06-30 |
| 47 | GLM-5.2 Max | Zhipu AI | 29.3% | 2026-06-19 |
| 48 | Gemini 3.1 Pro Preview | 26.8% | 2026-06-11 | |
| 49 | Mistral Large 4 Preview High | Mistral | 26.8% | 2026-10-12 |
| 50 | DeepSeek V4.1 Flash Max | DeepSeek | 26.8% | 2026-10-08 |
| 51 | DeepSeek V4 Pro 0813 Max | DeepSeek | 26.8% | 2026-08-19 |
| 52 | Claude Opus 4.6 Max | Anthropic | 26.8% | 2026-06-11 |
| 53 | Gemini 3.5 Flash High | 26.8% | 2026-06-10 | |
| 54 | Kimi K2.6 | Moonshot AI | 25.6% | 2026-06-10 |
| 55 | DeepSeek V4 Flash 0731 Max | DeepSeek | 24.4% | 2026-08-02 |
| 56 | Grok 4.5 High | xAI | 24.4% | 2026-07-09 |
| 57 | Gemini 3.8 Flash High | 22.0% | 2026-09-02 | |
| 58 | Gemini 3.6 Flash High | 22.0% | 2026-08-02 | |
| 59 | GPT-5 High | OpenAI | 22.0% | 2026-06-11 |
| 60 | GPT-5 Pro High | OpenAI | 19.5% | 2026-06-12 |
| 61 | Grok 4.20 (Reasoning) | xAI | 17.1% | 2026-07-13 |
| 62 | Gemini 3 Flash Preview | 17.1% | 2026-06-11 | |
| 63 | Grok 4.7 Extra High | xAI | 17.1% | 2026-09-22 |
| 64 | GLM-5.3-Flash Max | Zhipu AI | 17.1% | 2026-08-27 |
| 65 | Inkling Small Extra High | Thinking Machines | 17.1% | 2026-08-14 |
| 66 | Grok 4.3 High | xAI | 14.6% | 2026-06-17 |
| 67 | Kimi K2.7 Code | Moonshot AI | 12.2% | 2026-06-13 |
| 68 | GPT-5.4 nano High | OpenAI | 12.2% | 2026-06-12 |
| 69 | GPT-5 Mini High | OpenAI | 12.2% | 2026-06-12 |
| 70 | GPT-5.4 mini Extra High | OpenAI | 9.8% | 2026-06-12 |
| 71 | Inkling Extra High | Thinking Machines | 4.9% | 2026-08-06 |
| 72 | Claude Opus 4.5 Thinking | Anthropic | 4.9% | 2026-06-11 |
| 73 | o4-mini High | OpenAI | 4.9% | 2026-06-11 |
| 74 | GPT-5.5 Instant | OpenAI | 2.4% | 2026-08-02 |
| 75 | GPT-5 Nano High | OpenAI | 2.4% | 2026-06-12 |
| 76 | Claude Sonnet 4.5 Thinking | Anthropic | 2.4% | 2026-06-11 |
| 77 | Claude Opus 4.1 Thinking | Anthropic | 2.4% | 2026-06-11 |
| 78 | DeepSeek V4 Pro Max | DeepSeek | 2.4% | 2026-06-17 |
| 79 | Gemini 2.5 Pro | 0.0% | 2026-06-11 | |
| 80 | Gemini 3.5 Flash Lite High | 0.0% | 2026-08-02 | |
| 81 | o3-mini High | OpenAI | 0.0% | 2026-06-11 |