FrontierMath Tier 4 v2
Models solve 43 unpublished research-level math problems and submit answers that code checks automatically. Scored by share correct.
Version 2 corrected 12 problems and removed 7 from the original Tier 4 set.
- Made by
- Epoch AI
- Released
- June 2026
- Kind
- Research mathematics
- Level
- Research frontier
- Scored
- Checked automatically
- Answers
- Short answer
- Tasks
- Public, plus a private test set
- Strongest model tested
- Claude Fable 5.2 #1 on the capability index
- Last in a launch post
- July 2026
- Last model added
- November 2026
- Scores refreshed
- November 12th, 2026
In the authors’ words
We introduce FrontierMath, a benchmark of hundreds of original, exceptionally challenging mathematics problems crafted and vetted by expert mathematicians. The questions cover most major branches of modern mathematics – from computationally intensive problems in number theory and real analysis to abstract questions in algebraic geometry and category theory. Solving a typical problem requires multiple hours of effort from a researcher in the relevant branch of mathematics, and for the upper end questions, multiple days. FrontierMath uses new, unpublished problems and automated verification to reliably evaluate models while minimizing risk of data contamination. Current state-of-the-art AI models solve under 2% of problems, revealing a vast gap between AI capabilities and the prowess of the mathematical community. As AI systems advance toward expert-level mathematical abilities, FrontierMath offers a rigorous testbed that quantifies their progress.
2 models share the top score of 100%
Best score per entry from the benchmark's own leaderboard, read on November 12th, 2026. Where a model ran with several settings or harnesses, we keep its best. Names in gray aren't in our model list: fine-tunes, agent systems, products and older models. They don't count toward leaders.
GPT-6.1 Sol leads with 100% across all independent runs
Best score per model across the official leaderboard, Epoch AI’s own runs and any board Epoch AI copied. Each bar and row names its source.
GPT-6.1 Sol leads with 100%, claims included
Best score per model from every source, including labs’ own numbers and claims Epoch AI collected from reports and papers. Labs pick their own settings, so a claim can beat an independent run of the same model.
- 100.0 GPT-6.1 Sol
- 100.0 Claude Fable 5.2
- 97.6 GPT-6 Astra
- 95.1
Gemini 4 Carbon
- 95.0 Claude Opus 5.5
- 92.7 GPT-6.1 Terra
- 90.2 Claude Fable 5
- 90.0 GPT-6 Sol
- 87.8 Claude Fable 5.1
- 82.9 GPT-5.6 Sol
- 80.5 gpt-5.6-sol_promax
- 80.5 Claude Sonnet 5.5
- 78.0 GPT-5.5 Pro
- 78.0
Gemini 4 Argon
- 75.6 gdm-ai-co-mathematician
- 73.2 Claude Opus 5
- 72.5 GPT-5.5
- 70.7 GPT-5.6 Terra
- 70.7 muse-wonder-1.0
- 65.8 kimi-k3.1-pro-together
- 61.0 GPT-5.6 Luna
- 58.5 GPT-5.4 Pro
- 56.1 Claude Opus 4.8
- 56.1 GPT-6 Luna
- 49.0 GPT-5.4
- 46.3
Qwen 3.8 Max
- 46.3
Muse Spark 1.3
- 46.3 Claude Haiku 5.5
- 46.3
DeepSeek V4.1 Flash 1017
- 46.0 GPT-5.2 Pro
- 39.0 Kimi K3
- 36.6
Gemini 3.7 Flash
- 34.1
Qwen3.7-Max
- 34.1
Qwen3.8 Max (0902)
- 31.7 Claude Opus 4.7
- 31.7 Grok 4.6
- 31.7 Muse-Spark-Open-816B-A42B
- 31.7 GPT-5.2
- 29.3 GLM-5.2
- 29.3 Claude Sonnet 5
- 29.3 GLM-5.3
- 26.8 Claude Opus 4.6
- 26.8
Gemini 3.1 Pro
- 26.8
Gemini 3.5 Flash
- 26.8
DeepSeek V4 Pro 0813
- 26.8
DeepSeek V4.1 Flash
- 26.8 mistral-large-4-0
- 25.6 Kimi K2.6
- 24.4 Grok 4.5
- 24.4
DeepSeek V4 Flash 0731
- 21.9 GPT-5
- 21.9
Gemini 3.6 Flash
- 21.9
Gemini 3.8 Flash
- 19.5 GPT-5 Pro
- 17.1
Gemini 3 Flash
- 17.1 grok-4.20-0309-reasoning
- 17.1
Inkling-Small
- 17.1 GLM-5.3-Flash
- 17.1 Grok 4.7
- 14.6 Grok 4.3
- 12.2 GPT-5 mini
- 12.2 GPT-5.4 Nano
- 12.2 Kimi K2.7 Code
- 9.76 GPT-5.4 Mini
- 4.88 o4-mini
- 4.88 Claude Opus 4.5
- 4.88
Inkling
- 2.44 Claude Opus 4.1
- 2.44 GPT-5 nano
- 2.44 Claude Sonnet 4.5
- 2.44
DeepSeek-V4-Pro
- 2.44 GPT-5.5 Instant
- 0.0 o3-mini
- 0.0
Gemini 2.5 Pro
- 0.0
Gemini 3.5 Flash-Lite
- 1 GPT-6.1 Sol max; task version 2.1.0 100%
- 2 Claude Fable 5.2 max; task version 2.1.0 100%
- 3 GPT-6 Astra high; task version 2.0.0 97.6%
- 4
Gemini 4 Carbon high; task version 2.1.0 95.1%
- 5 Claude Opus 5.5 max; task version 2.0.0 95%
- 6 GPT-6.1 Terra max; task version 2.1.0 92.7%
- 7 Claude Fable 5 max; task version 2.0.0 90.2%
- 8 GPT-6 Sol max; task version 2.0.0 90%
- 9 Claude Fable 5.1 max; task version 2.0.0 87.8%
- 10 GPT-5.6 Sol max; task version 2.0.0 82.9%
- 11 gpt-5.6-sol_promax task version 2.0.0 80.5%
- 12 Claude Sonnet 5.5 max; task version 2.1.0 80.5%
- 13 GPT-5.5 Pro xhigh; task version 2.0.0 78%
- 14
Gemini 4 Argon high; task version 2.1.0 78%
- 15 gdm-ai-co-mathematician task version 2.0.0 75.6%
- 16 Claude Opus 5 max; task version 2.0.0 73.2%
- 17 GPT-5.5 xhigh; task version 2.0.0 72.5%
- 18 GPT-5.6 Terra max; task version 2.0.0 70.7%
- 19 muse-wonder-1.0 max; task version 2.1.0 70.7%
- 20 kimi-k3.1-pro-together max; task version 2.1.0 65.8%
- 21 GPT-5.6 Luna max; task version 2.0.0 61%
- 22 GPT-5.4 Pro xhigh; task version 2.0.0 58.5%
- 23 Claude Opus 4.8 max; task version 2.0.0 56.1%
- 24 GPT-6 Luna max; task version 2.0.0 56.1%
- 25 GPT-5.4 xhigh; task version 2.0.0 49%
- 26
Qwen 3.8 Max xhigh; task version 2.0.0 46.3%
- 27
Muse Spark 1.3 max; task version 2.0.0 46.3%
- 28 Claude Haiku 5.5 max; task version 2.1.0 46.3%
- 29
DeepSeek V4.1 Flash 1017 max; task version 2.1.0 46.3%
- 30 GPT-5.2 Pro xhigh; task version 2.0.0 46%
- 31 Kimi K3 max; task version 2.0.0 39%
- 32
Gemini 3.7 Flash high; task version 2.0.0 36.6%
- 33
Qwen3.7-Max task version 2.0.0 34.1%
- 34
Qwen3.8 Max (0902) xhigh; task version 2.0.0 34.1%
- 35 Claude Opus 4.7 max; task version 2.0.0 31.7%
- 36 Grok 4.6 xhigh; task version 2.0.0 31.7%
- 37 Muse-Spark-Open-816B-A42B xhigh; task version 2.1.0 31.7%
- 38 GPT-5.2 xhigh; task version 2.0.0 31.7%
- 39 GLM-5.2 max; task version 2.0.0 29.3%
- 40 Claude Sonnet 5 max; task version 2.0.0 29.3%
- 41 GLM-5.3 max; task version 2.0.0 29.3%
- 42 Claude Opus 4.6 max; task version 2.0.0 26.8%
- 43
Gemini 3.1 Pro task version 2.0.0 26.8%
- 44
Gemini 3.5 Flash high; task version 2.0.0 26.8%
- 45
DeepSeek V4 Pro 0813 max; task version 2.0.0 26.8%
- 46
DeepSeek V4.1 Flash max; task version 2.1.0 26.8%
- 47 mistral-large-4-0 high; task version 2.1.0 26.8%
- 48 Kimi K2.6 task version 2.0.0 25.6%
- 49 Grok 4.5 high; task version 2.0.0 24.4%
- 50
DeepSeek V4 Flash 0731 max; task version 2.0.0 24.4%
- 51 GPT-5 high; task version 2.0.0 21.9%
- 52
Gemini 3.6 Flash high; task version 2.0.0 21.9%
- 53
Gemini 3.8 Flash high; task version 2.0.0 21.9%
- 54 GPT-5 Pro high; task version 2.0.0 19.5%
- 55
Gemini 3 Flash task version 2.0.0 17.1%
- 56 grok-4.20-0309-reasoning task version 2.0.0 17.1%
- 57
Inkling-Small xhigh; task version 2.0.0 17.1%
- 58 GLM-5.3-Flash max; task version 2.0.0 17.1%
- 59 Grok 4.7 xhigh; task version 2.0.0 17.1%
- 60 Grok 4.3 high; task version 2.0.0 14.6%
- 61 GPT-5 mini high; task version 2.0.0 12.2%
- 62 GPT-5.4 Nano high; task version 2.0.0 12.2%
- 63 Kimi K2.7 Code task version 2.0.0 12.2%
- 64 GPT-5.4 Mini xhigh; task version 2.0.0 9.76%
- 65 o4-mini high; task version 2.0.0 4.88%
- 66 Claude Opus 4.5 32K; task version 2.0.0 4.88%
- 67
Inkling xhigh; task version 2.0.0 4.88%
- 68 Claude Opus 4.1 32K; task version 2.0.0 2.44%
- 69 GPT-5 nano high; task version 2.0.0 2.44%
- 70 Claude Sonnet 4.5 32K; task version 2.0.0 2.44%
- 71
DeepSeek-V4-Pro max; task version 2.0.0 2.44%
- 72 GPT-5.5 Instant task version 2.0.0 2.44%
- 73 o3-mini high; task version 2.0.0 0%
- 74
Gemini 2.5 Pro Jun 2025, task version 2.0.0 0%
- 75
Gemini 3.5 Flash-Lite high; task version 2.0.0 0%
Source: Official FrontierMath Tier 4 v2 leaderboard
- 100.0 GPT-6.1 Sol
- 100.0 Claude Fable 5.2
- 97.6 GPT-6 Astra
- 95.1
Gemini 4 Carbon
- 95.0 Claude Opus 5.5
- 92.7 GPT-6.1 Terra
- 90.2 Claude Fable 5
- 90.0 GPT-6 Sol
- 87.8 Claude Fable 5.1
- 82.9 GPT-5.6 Sol
- 80.5 Claude Sonnet 5.5
- 78.0 GPT-5.5 Pro
- 78.0
Gemini 4 Argon
- 75.6
AI Co-Mathematician
- 73.2 Claude Opus 5
- 72.5 GPT-5.5
- 70.7 GPT-5.6 Terra
- 70.7
Muse Wonder
- 65.8 Kimi K3.1 Pro
- 61.0 GPT-5.6 Luna
- 58.5 GPT-5.4 Pro
- 56.1 Claude Opus 4.8
- 56.1 GPT-6 Luna
- 49.0 GPT-5.4
- 46.3
Qwen 3.8 Max
- 46.3
Muse Spark 1.3
- 46.3 Claude Haiku 5.5
- 46.3
DeepSeek V4.1 Flash 1017
- 46.0 GPT-5.2 Pro
- 39.0 Kimi K3
- 36.6
Gemini 3.7 Flash
- 34.1
Qwen3.7-Max
- 34.1
Qwen3.8 Max (0902)
- 31.7 Claude Opus 4.7
- 31.7 Grok 4.6
- 31.7
Muse Spark Open
- 31.7 GPT-5.2
- 29.3 GLM-5.2
- 29.3 Claude Sonnet 5
- 29.3 GLM-5.3
- 26.8 Claude Opus 4.6
- 26.8
Gemini 3.1 Pro
- 26.8
Gemini 3.5 Flash
- 26.8
DeepSeek V4 Pro 0813
- 26.8
DeepSeek V4.1 Flash
- 26.8
Mistral Large 4 Preview
- 25.6 Kimi K2.6
- 24.4 Grok 4.5
- 24.4
DeepSeek V4 Flash 0731
- 21.9 GPT-5
- 21.9
Gemini 3.6 Flash
- 21.9
Gemini 3.8 Flash
- 19.5 GPT-5 Pro
- 17.1
Gemini 3 Flash
- 17.1 Grok 4.20
- 17.1
Inkling-Small
- 17.1 GLM-5.3-Flash
- 17.1 Grok 4.7
- 14.6 Grok 4.3 Beta
- 14.6 Grok 4.3
- 12.2 GPT-5 mini
- 12.2 GPT-5.4 Nano
- 12.2 Kimi K2.7 Code
- 9.76 GPT-5.4 Mini
- 4.88 o4-mini
- 4.88 Claude Opus 4.5
- 4.88
Inkling
- 2.44 Claude Opus 4.1
- 2.44 GPT-5 nano
- 2.44 Claude Sonnet 4.5
- 2.44
DeepSeek-V4-Pro
- 2.44 GPT-5.5 Instant
- 0.0 o3-mini
- 0.0
Gemini 2.5 Pro
- 0.0
Gemini 3.5 Flash-Lite
- 1 GPT-6.1 Sol max; task version 2.1.0 100%
- 2 Claude Fable 5.2 max; task version 2.1.0 100%
- 3 GPT-6 Astra high; task version 2.0.0 97.6%
- 4
Gemini 4 Carbon high; task version 2.1.0 95.1%
- 5 Claude Opus 5.5 max; task version 2.0.0 95%
- 6 GPT-6.1 Terra max; task version 2.1.0 92.7%
- 7 Claude Fable 5 max; task version 2.0.0 90.2%
- 8 GPT-6 Sol max; task version 2.0.0 90%
- 9 Claude Fable 5.1 max; task version 2.0.0 87.8%
- 10 GPT-5.6 Sol max; task version 2.0.0 82.9%
- 11 Claude Sonnet 5.5 max; task version 2.1.0 80.5%
- 12 GPT-5.5 Pro xhigh; task version 2.0.0 78%
- 13
Gemini 4 Argon high; task version 2.1.0 78%
- 14
AI Co-Mathematician 75.6%
- 15 Claude Opus 5 max; task version 2.0.0 73.2%
- 16 GPT-5.5 xhigh; task version 2.0.0 72.5%
- 17 GPT-5.6 Terra max; task version 2.0.0 70.7%
- 18
Muse Wonder max 70.7%
- 19 Kimi K3.1 Pro Together, max 65.8%
- 20 GPT-5.6 Luna max; task version 2.0.0 61%
- 21 GPT-5.4 Pro xhigh; task version 2.0.0 58.5%
- 22 Claude Opus 4.8 max; task version 2.0.0 56.1%
- 23 GPT-6 Luna max; task version 2.0.0 56.1%
- 24 GPT-5.4 xhigh; task version 2.0.0 49%
- 25
Qwen 3.8 Max xhigh; task version 2.0.0 46.3%
- 26
Muse Spark 1.3 max; task version 2.0.0 46.3%
- 27 Claude Haiku 5.5 max; task version 2.1.0 46.3%
- 28
DeepSeek V4.1 Flash 1017 max; task version 2.1.0 46.3%
- 29 GPT-5.2 Pro xhigh; task version 2.0.0 46%
- 30 Kimi K3 max; task version 2.0.0 39%
- 31
Gemini 3.7 Flash high; task version 2.0.0 36.6%
- 32
Qwen3.7-Max task version 2.0.0 34.1%
- 33
Qwen3.8 Max (0902) xhigh; task version 2.0.0 34.1%
- 34 Claude Opus 4.7 max; task version 2.0.0 31.7%
- 35 Grok 4.6 xhigh; task version 2.0.0 31.7%
- 36
Muse Spark Open xhigh 31.7%
- 37 GPT-5.2 xhigh; task version 2.0.0 31.7%
- 38 GLM-5.2 max; task version 2.0.0 29.3%
- 39 Claude Sonnet 5 max; task version 2.0.0 29.3%
- 40 GLM-5.3 max; task version 2.0.0 29.3%
- 41 Claude Opus 4.6 max; task version 2.0.0 26.8%
- 42
Gemini 3.1 Pro task version 2.0.0 26.8%
- 43
Gemini 3.5 Flash high; task version 2.0.0 26.8%
- 44
DeepSeek V4 Pro 0813 max; task version 2.0.0 26.8%
- 45
DeepSeek V4.1 Flash max; task version 2.1.0 26.8%
- 46
Mistral Large 4 Preview high 26.8%
- 47 Kimi K2.6 task version 2.0.0 25.6%
- 48 Grok 4.5 high; task version 2.0.0 24.4%
- 49
DeepSeek V4 Flash 0731 max; task version 2.0.0 24.4%
- 50 GPT-5 high; task version 2.0.0 21.9%
- 51
Gemini 3.6 Flash high; task version 2.0.0 21.9%
- 52
Gemini 3.8 Flash high; task version 2.0.0 21.9%
- 53 GPT-5 Pro high; task version 2.0.0 19.5%
- 54
Gemini 3 Flash task version 2.0.0 17.1%
- 55 Grok 4.20 17.1%
- 56
Inkling-Small xhigh; task version 2.0.0 17.1%
- 57 GLM-5.3-Flash max; task version 2.0.0 17.1%
- 58 Grok 4.7 xhigh; task version 2.0.0 17.1%
- 59 Grok 4.3 Beta high 14.6%
- 60 Grok 4.3 high; task version 2.0.0 14.6%
- 61 GPT-5 mini high; task version 2.0.0 12.2%
- 62 GPT-5.4 Nano high; task version 2.0.0 12.2%
- 63 Kimi K2.7 Code task version 2.0.0 12.2%
- 64 GPT-5.4 Mini xhigh 9.76%
- 65 o4-mini high 4.88%
- 66 Claude Opus 4.5 32k thinking 4.88%
- 67
Inkling xhigh 4.88%
- 68 Claude Opus 4.1 32K 2.44%
- 69 GPT-5 nano high 2.44%
- 70 Claude Sonnet 4.5 32k thinking 2.44%
- 71
DeepSeek-V4-Pro max 2.44%
- 72 GPT-5.5 Instant 2.44%
- 73 o3-mini high; task version 2.0.0 0%
- 74
Gemini 2.5 Pro Jun 2025, task version 2.0.0 0%
- 75
Gemini 3.5 Flash-Lite high; task version 2.0.0 0%
Sources: Official FrontierMath Tier 4 v2 leaderboard and Epoch AI runs (CC BY 4.0)
- 100.0 GPT-6.1 Sol
- 100.0 Claude Fable 5.2
- 97.6 GPT-6 Astra
- 95.1
Gemini 4 Carbon
- 95.0 Claude Opus 5.5
- 92.7 GPT-6.1 Terra
- 90.2 Claude Fable 5
- 90.0 GPT-6 Sol
- 87.8 Claude Fable 5.1
- 83.0 GPT-5.6 Sol
- 80.5 Claude Sonnet 5.5
- 78.0 GPT-5.5 Pro
- 78.0
Gemini 4 Argon
- 75.6
AI Co-Mathematician
- 73.2 Claude Opus 5
- 72.5 GPT-5.5
- 70.7 GPT-5.6 Terra
- 70.7
Muse Wonder
- 65.8 Kimi K3.1 Pro
- 61.0 GPT-5.6 Luna
- 58.5 GPT-5.4 Pro
- 56.1 Claude Opus 4.8
- 56.1 GPT-6 Luna
- 49.0 GPT-5.4
- 46.3
Qwen 3.8 Max
- 46.3
Muse Spark 1.3
- 46.3 Claude Haiku 5.5
- 46.3
DeepSeek V4.1 Flash 1017
- 46.0 GPT-5.2 Pro
- 39.0 Kimi K3
- 36.6
Gemini 3.7 Flash
- 34.1
Qwen3.7-Max
- 34.1
Qwen3.8 Max (0902)
- 31.7 Claude Opus 4.7
- 31.7 Grok 4.6
- 31.7
Muse Spark Open
- 31.7 GPT-5.2
- 29.3 GLM-5.2
- 29.3 Claude Sonnet 5
- 29.3 GLM-5.3
- 26.8 Claude Opus 4.6
- 26.8
Gemini 3.1 Pro
- 26.8
Gemini 3.5 Flash
- 26.8
DeepSeek V4 Pro 0813
- 26.8
DeepSeek V4.1 Flash
- 26.8
Mistral Large 4 Preview
- 25.6 Kimi K2.6
- 24.4 Grok 4.5
- 24.4
DeepSeek V4 Flash 0731
- 21.9 GPT-5
- 21.9
Gemini 3.6 Flash
- 21.9
Gemini 3.8 Flash
- 19.5 GPT-5 Pro
- 17.1
Gemini 3 Flash
- 17.1 Grok 4.20
- 17.1
Inkling-Small
- 17.1 GLM-5.3-Flash
- 17.1 Grok 4.7
- 14.6 Grok 4.3 Beta
- 14.6 Grok 4.3
- 12.2 GPT-5 mini
- 12.2 GPT-5.4 Nano
- 12.2 Kimi K2.7 Code
- 9.76 GPT-5.4 Mini
- 4.88 o4-mini
- 4.88 Claude Opus 4.5
- 4.88
Inkling
- 2.44 Claude Opus 4.1
- 2.44 GPT-5 nano
- 2.44 Claude Sonnet 4.5
- 2.44
DeepSeek-V4-Pro
- 2.44 GPT-5.5 Instant
- 0.0 o3-mini
- 0.0
Gemini 2.5 Pro
- 0.0
Gemini 3.5 Flash-Lite
- 1 GPT-6.1 Sol max; task version 2.1.0 100%
- 2 Claude Fable 5.2 max; task version 2.1.0 100%
- 3 GPT-6 Astra high; task version 2.0.0 97.6%
- 4
Gemini 4 Carbon high; task version 2.1.0 95.1%
- 5 Claude Opus 5.5 max; task version 2.0.0 95%
- 6 GPT-6.1 Terra max; task version 2.1.0 92.7%
- 7 Claude Fable 5 max; task version 2.0.0 90.2%
- 8 GPT-6 Sol max; task version 2.0.0 90%
- 9 Claude Fable 5.1 max; task version 2.0.0 87.8%
- 10 GPT-5.6 Sol 83%
- 11 Claude Sonnet 5.5 max; task version 2.1.0 80.5%
- 12 GPT-5.5 Pro xhigh; task version 2.0.0 78%
- 13
Gemini 4 Argon high; task version 2.1.0 78%
- 14
AI Co-Mathematician 75.6%
- 15 Claude Opus 5 max; task version 2.0.0 73.2%
- 16 GPT-5.5 xhigh; task version 2.0.0 72.5%
- 17 GPT-5.6 Terra max; task version 2.0.0 70.7%
- 18
Muse Wonder max 70.7%
- 19 Kimi K3.1 Pro Together, max 65.8%
- 20 GPT-5.6 Luna max; task version 2.0.0 61%
- 21 GPT-5.4 Pro xhigh; task version 2.0.0 58.5%
- 22 Claude Opus 4.8 max; task version 2.0.0 56.1%
- 23 GPT-6 Luna max; task version 2.0.0 56.1%
- 24 GPT-5.4 xhigh; task version 2.0.0 49%
- 25
Qwen 3.8 Max xhigh; task version 2.0.0 46.3%
- 26
Muse Spark 1.3 max; task version 2.0.0 46.3%
- 27 Claude Haiku 5.5 max; task version 2.1.0 46.3%
- 28
DeepSeek V4.1 Flash 1017 max; task version 2.1.0 46.3%
- 29 GPT-5.2 Pro xhigh; task version 2.0.0 46%
- 30 Kimi K3 max; task version 2.0.0 39%
- 31
Gemini 3.7 Flash high; task version 2.0.0 36.6%
- 32
Qwen3.7-Max task version 2.0.0 34.1%
- 33
Qwen3.8 Max (0902) xhigh; task version 2.0.0 34.1%
- 34 Claude Opus 4.7 max; task version 2.0.0 31.7%
- 35 Grok 4.6 xhigh; task version 2.0.0 31.7%
- 36
Muse Spark Open xhigh 31.7%
- 37 GPT-5.2 xhigh; task version 2.0.0 31.7%
- 38 GLM-5.2 max; task version 2.0.0 29.3%
- 39 Claude Sonnet 5 max; task version 2.0.0 29.3%
- 40 GLM-5.3 max; task version 2.0.0 29.3%
- 41 Claude Opus 4.6 max; task version 2.0.0 26.8%
- 42
Gemini 3.1 Pro task version 2.0.0 26.8%
- 43
Gemini 3.5 Flash high; task version 2.0.0 26.8%
- 44
DeepSeek V4 Pro 0813 max; task version 2.0.0 26.8%
- 45
DeepSeek V4.1 Flash max; task version 2.1.0 26.8%
- 46
Mistral Large 4 Preview high 26.8%
- 47 Kimi K2.6 task version 2.0.0 25.6%
- 48 Grok 4.5 high; task version 2.0.0 24.4%
- 49
DeepSeek V4 Flash 0731 max; task version 2.0.0 24.4%
- 50 GPT-5 high; task version 2.0.0 21.9%
- 51
Gemini 3.6 Flash high; task version 2.0.0 21.9%
- 52
Gemini 3.8 Flash high; task version 2.0.0 21.9%
- 53 GPT-5 Pro high; task version 2.0.0 19.5%
- 54
Gemini 3 Flash task version 2.0.0 17.1%
- 55 Grok 4.20 17.1%
- 56
Inkling-Small xhigh; task version 2.0.0 17.1%
- 57 GLM-5.3-Flash max; task version 2.0.0 17.1%
- 58 Grok 4.7 xhigh; task version 2.0.0 17.1%
- 59 Grok 4.3 Beta high 14.6%
- 60 Grok 4.3 high; task version 2.0.0 14.6%
- 61 GPT-5 mini high; task version 2.0.0 12.2%
- 62 GPT-5.4 Nano high; task version 2.0.0 12.2%
- 63 Kimi K2.7 Code task version 2.0.0 12.2%
- 64 GPT-5.4 Mini xhigh 9.76%
- 65 o4-mini high 4.88%
- 66 Claude Opus 4.5 32k thinking 4.88%
- 67
Inkling xhigh 4.88%
- 68 Claude Opus 4.1 32K 2.44%
- 69 GPT-5 nano high 2.44%
- 70 Claude Sonnet 4.5 32k thinking 2.44%
- 71
DeepSeek-V4-Pro max 2.44%
- 72 GPT-5.5 Instant 2.44%
- 73 o3-mini high; task version 2.0.0 0%
- 74
Gemini 2.5 Pro Jun 2025, task version 2.0.0 0%
- 75
Gemini 3.5 Flash-Lite high; task version 2.0.0 0%
Sources: Official FrontierMath Tier 4 v2 leaderboard, labs’ model cards and Epoch AI runs (CC BY 4.0)
| # | Entry | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | GPT-6.1 Sol | 100% | max; task version 2.1.0, Epoch | Sep 2026 | Official leaderboard |
| 2 | Claude Fable 5.2 | 100% | max; task version 2.1.0, Epoch | Nov 2026 | Official leaderboard |
| 3 | GPT-6 Astra | 97.6% | high; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 4 | | 95.1% | high; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 5 | Claude Opus 5.5 | 95% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 6 | GPT-6.1 Terra | 92.7% | max; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 7 | Claude Fable 5 | 90.2% | max; task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 8 | GPT-6 Sol | 90% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 9 | Claude Fable 5.1 | 87.8% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 10 | GPT-5.6 Sol | 82.9% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 11 | gpt-5.6-sol_promax | 80.5% | task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 12 | Claude Sonnet 5.5 | 80.5% | max; task version 2.1.0, Epoch | Sep 2026 | Official leaderboard |
| 13 | GPT-5.5 Pro | 78% | xhigh; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 14 | | 78% | high; task version 2.1.0, Epoch | Sep 2026 | Official leaderboard |
| 15 | gdm-ai-co-mathematician | 75.6% | task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 16 | Claude Opus 5 | 73.2% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 17 | GPT-5.5 | 72.5% | xhigh; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 18 | GPT-5.6 Terra | 70.7% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 19 | muse-wonder-1.0 | 70.7% | max; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 20 | kimi-k3.1-pro-together | 65.8% | max; task version 2.1.0, Epoch | Nov 2026 | Official leaderboard |
| 21 | GPT-5.6 Luna | 61% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 22 | GPT-5.4 Pro | 58.5% | xhigh; task version 2.0.0, Epoch | Mar 2026 | Official leaderboard |
| 23 | Claude Opus 4.8 | 56.1% | max; task version 2.0.0, Epoch | May 2026 | Official leaderboard |
| 24 | GPT-6 Luna | 56.1% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 25 | GPT-5.4 | 49% | xhigh; task version 2.0.0, Epoch | Mar 2026 | Official leaderboard |
| 26 | | 46.3% | xhigh; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 27 | | 46.3% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 28 | Claude Haiku 5.5 | 46.3% | max; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 29 | | 46.3% | max; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 30 | GPT-5.2 Pro | 46% | xhigh; task version 2.0.0, Epoch | Dec 2025 | Official leaderboard |
| 31 | Kimi K3 | 39% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 32 | | 36.6% | high; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 33 | | 34.1% | task version 2.0.0, Epoch | May 2026 | Official leaderboard |
| 34 | | 34.1% | xhigh; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 35 | Claude Opus 4.7 | 31.7% | max; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 36 | Grok 4.6 | 31.7% | xhigh; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 37 | Muse-Spark-Open-816B-A42B | 31.7% | xhigh; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 38 | GPT-5.2 | 31.7% | xhigh; task version 2.0.0, Epoch | Dec 2025 | Official leaderboard |
| 39 | GLM-5.2 | 29.3% | max; task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 40 | Claude Sonnet 5 | 29.3% | max; task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 41 | GLM-5.3 | 29.3% | max; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 42 | Claude Opus 4.6 | 26.8% | max; task version 2.0.0, Epoch | Feb 2026 | Official leaderboard |
| 43 | | 26.8% | task version 2.0.0, Epoch | Feb 2026 | Official leaderboard |
| 44 | | 26.8% | high; task version 2.0.0, Epoch | May 2026 | Official leaderboard |
| 45 | | 26.8% | max; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 46 | | 26.8% | max; task version 2.1.0, Epoch | Sep 2026 | Official leaderboard |
| 47 | mistral-large-4-0 | 26.8% | high; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 48 | Kimi K2.6 | 25.6% | task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 49 | Grok 4.5 | 24.4% | high; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 50 | | 24.4% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 51 | GPT-5 | 21.9% | high; task version 2.0.0, Epoch | Aug 2025 | Official leaderboard |
| 52 | | 21.9% | high; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 53 | | 21.9% | high; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 54 | GPT-5 Pro | 19.5% | high; task version 2.0.0, Epoch | Oct 2025 | Official leaderboard |
| 55 | | 17.1% | task version 2.0.0, Epoch | Dec 2025 | Official leaderboard |
| 56 | grok-4.20-0309-reasoning | 17.1% | task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 57 | | 17.1% | xhigh; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 58 | GLM-5.3-Flash | 17.1% | max; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 59 | Grok 4.7 | 17.1% | xhigh; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 60 | Grok 4.3 | 14.6% | high; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 61 | GPT-5 mini | 12.2% | high; task version 2.0.0, Epoch | Aug 2025 | Official leaderboard |
| 62 | GPT-5.4 Nano | 12.2% | high; task version 2.0.0, Epoch | Mar 2026 | Official leaderboard |
| 63 | Kimi K2.7 Code | 12.2% | task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 64 | GPT-5.4 Mini | 9.76% | xhigh; task version 2.0.0, Epoch | Mar 2026 | Official leaderboard |
| 65 | o4-mini | 4.88% | high; task version 2.0.0, Epoch | Apr 2025 | Official leaderboard |
| 66 | Claude Opus 4.5 | 4.88% | 32K; task version 2.0.0, Epoch | Nov 2025 | Official leaderboard |
| 67 | | 4.88% | xhigh; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 68 | Claude Opus 4.1 | 2.44% | 32K; task version 2.0.0, Epoch | Aug 2025 | Official leaderboard |
| 69 | GPT-5 nano | 2.44% | high; task version 2.0.0, Epoch | Aug 2025 | Official leaderboard |
| 70 | Claude Sonnet 4.5 | 2.44% | 32K; task version 2.0.0, Epoch | Sep 2025 | Official leaderboard |
| 71 | | 2.44% | max; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 72 | GPT-5.5 Instant | 2.44% | task version 2.0.0, Epoch | May 2026 | Official leaderboard |
| 73 | o3-mini | 0% | high; task version 2.0.0, Epoch | Jan 2025 | Official leaderboard |
| 74 | | 0% | task version 2.0.0, Epoch | Jun 2025 | Official leaderboard |
| 75 | | 0% | high; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| # | Model | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | GPT-6.1 Sol | 100% | max; task version 2.1.0, Epoch | Sep 2026 | Official leaderboard |
| 2 | Claude Fable 5.2 | 100% | max; task version 2.1.0, Epoch | Nov 2026 | Official leaderboard |
| 3 | GPT-6 Astra | 97.6% | high; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 4 | | 95.1% | high; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 5 | Claude Opus 5.5 | 95% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 6 | GPT-6.1 Terra | 92.7% | max; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 7 | Claude Fable 5 | 90.2% | max; task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 8 | GPT-6 Sol | 90% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 9 | Claude Fable 5.1 | 87.8% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 10 | GPT-5.6 Sol | 82.9% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 11 | Claude Sonnet 5.5 | 80.5% | max; task version 2.1.0, Epoch | Sep 2026 | Official leaderboard |
| 12 | GPT-5.5 Pro | 78% | xhigh; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 13 | | 78% | high; task version 2.1.0, Epoch | Sep 2026 | Official leaderboard |
| 14 | | 75.6% | May 2026 | Epoch AI run | |
| 15 | Claude Opus 5 | 73.2% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 16 | GPT-5.5 | 72.5% | xhigh; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 17 | GPT-5.6 Terra | 70.7% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 18 | | 70.7% | max | Oct 2026 | Epoch AI run |
| 19 | Kimi K3.1 Pro | 65.8% | Together, max | Oct 2026 | Epoch AI run |
| 20 | GPT-5.6 Luna | 61% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 21 | GPT-5.4 Pro | 58.5% | xhigh; task version 2.0.0, Epoch | Mar 2026 | Official leaderboard |
| 22 | Claude Opus 4.8 | 56.1% | max; task version 2.0.0, Epoch | May 2026 | Official leaderboard |
| 23 | GPT-6 Luna | 56.1% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 24 | GPT-5.4 | 49% | xhigh; task version 2.0.0, Epoch | Mar 2026 | Official leaderboard |
| 25 | | 46.3% | xhigh; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 26 | | 46.3% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 27 | Claude Haiku 5.5 | 46.3% | max; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 28 | | 46.3% | max; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 29 | GPT-5.2 Pro | 46% | xhigh; task version 2.0.0, Epoch | Dec 2025 | Official leaderboard |
| 30 | Kimi K3 | 39% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 31 | | 36.6% | high; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 32 | | 34.1% | task version 2.0.0, Epoch | May 2026 | Official leaderboard |
| 33 | | 34.1% | xhigh; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 34 | Claude Opus 4.7 | 31.7% | max; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 35 | Grok 4.6 | 31.7% | xhigh; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 36 | | 31.7% | xhigh | Oct 2026 | Epoch AI run |
| 37 | GPT-5.2 | 31.7% | xhigh; task version 2.0.0, Epoch | Dec 2025 | Official leaderboard |
| 38 | GLM-5.2 | 29.3% | max; task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 39 | Claude Sonnet 5 | 29.3% | max; task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 40 | GLM-5.3 | 29.3% | max; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 41 | Claude Opus 4.6 | 26.8% | max; task version 2.0.0, Epoch | Feb 2026 | Official leaderboard |
| 42 | | 26.8% | task version 2.0.0, Epoch | Feb 2026 | Official leaderboard |
| 43 | | 26.8% | high; task version 2.0.0, Epoch | May 2026 | Official leaderboard |
| 44 | | 26.8% | max; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 45 | | 26.8% | max; task version 2.1.0, Epoch | Sep 2026 | Official leaderboard |
| 46 | | 26.8% | high | Oct 2026 | Epoch AI run |
| 47 | Kimi K2.6 | 25.6% | task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 48 | Grok 4.5 | 24.4% | high; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 49 | | 24.4% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 50 | GPT-5 | 21.9% | high; task version 2.0.0, Epoch | Aug 2025 | Official leaderboard |
| 51 | | 21.9% | high; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 52 | | 21.9% | high; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 53 | GPT-5 Pro | 19.5% | high; task version 2.0.0, Epoch | Oct 2025 | Official leaderboard |
| 54 | | 17.1% | task version 2.0.0, Epoch | Dec 2025 | Official leaderboard |
| 55 | Grok 4.20 | 17.1% | Feb 2026 | Epoch AI run | |
| 56 | | 17.1% | xhigh; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 57 | GLM-5.3-Flash | 17.1% | max; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 58 | Grok 4.7 | 17.1% | xhigh; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 59 | Grok 4.3 Beta | 14.6% | high | Apr 2026 | Epoch AI run |
| 60 | Grok 4.3 | 14.6% | high; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 61 | GPT-5 mini | 12.2% | high; task version 2.0.0, Epoch | Aug 2025 | Official leaderboard |
| 62 | GPT-5.4 Nano | 12.2% | high; task version 2.0.0, Epoch | Mar 2026 | Official leaderboard |
| 63 | Kimi K2.7 Code | 12.2% | task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 64 | GPT-5.4 Mini | 9.76% | xhigh | Mar 2026 | Epoch AI run |
| 65 | o4-mini | 4.88% | high | Apr 2025 | Epoch AI run |
| 66 | Claude Opus 4.5 | 4.88% | 32k thinking | Nov 2025 | Epoch AI run |
| 67 | | 4.88% | xhigh | Jul 2026 | Epoch AI run |
| 68 | Claude Opus 4.1 | 2.44% | 32K | Aug 2025 | Epoch AI run |
| 69 | GPT-5 nano | 2.44% | high | Aug 2025 | Epoch AI run |
| 70 | Claude Sonnet 4.5 | 2.44% | 32k thinking | Sep 2025 | Epoch AI run |
| 71 | | 2.44% | max | Apr 2026 | Epoch AI run |
| 72 | GPT-5.5 Instant | 2.44% | May 2026 | Epoch AI run | |
| 73 | o3-mini | 0% | high; task version 2.0.0, Epoch | Jan 2025 | Official leaderboard |
| 74 | | 0% | task version 2.0.0, Epoch | Jun 2025 | Official leaderboard |
| 75 | | 0% | high; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| # | Model | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | GPT-6.1 Sol | 100% | max; task version 2.1.0, Epoch | Sep 2026 | Official leaderboard |
| 2 | Claude Fable 5.2 | 100% | max; task version 2.1.0, Epoch | Nov 2026 | Official leaderboard |
| 3 | GPT-6 Astra | 97.6% | high; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 4 | | 95.1% | high; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 5 | Claude Opus 5.5 | 95% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 6 | GPT-6.1 Terra | 92.7% | max; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 7 | Claude Fable 5 | 90.2% | max; task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 8 | GPT-6 Sol | 90% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 9 | Claude Fable 5.1 | 87.8% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 10 | GPT-5.6 Sol | 83% | Jul 2026 | Lab model card | |
| 11 | Claude Sonnet 5.5 | 80.5% | max; task version 2.1.0, Epoch | Sep 2026 | Official leaderboard |
| 12 | GPT-5.5 Pro | 78% | xhigh; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 13 | | 78% | high; task version 2.1.0, Epoch | Sep 2026 | Official leaderboard |
| 14 | | 75.6% | May 2026 | Epoch AI run | |
| 15 | Claude Opus 5 | 73.2% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 16 | GPT-5.5 | 72.5% | xhigh; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 17 | GPT-5.6 Terra | 70.7% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 18 | | 70.7% | max | Oct 2026 | Epoch AI run |
| 19 | Kimi K3.1 Pro | 65.8% | Together, max | Oct 2026 | Epoch AI run |
| 20 | GPT-5.6 Luna | 61% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 21 | GPT-5.4 Pro | 58.5% | xhigh; task version 2.0.0, Epoch | Mar 2026 | Official leaderboard |
| 22 | Claude Opus 4.8 | 56.1% | max; task version 2.0.0, Epoch | May 2026 | Official leaderboard |
| 23 | GPT-6 Luna | 56.1% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 24 | GPT-5.4 | 49% | xhigh; task version 2.0.0, Epoch | Mar 2026 | Official leaderboard |
| 25 | | 46.3% | xhigh; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 26 | | 46.3% | max; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 27 | Claude Haiku 5.5 | 46.3% | max; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 28 | | 46.3% | max; task version 2.1.0, Epoch | Oct 2026 | Official leaderboard |
| 29 | GPT-5.2 Pro | 46% | xhigh; task version 2.0.0, Epoch | Dec 2025 | Official leaderboard |
| 30 | Kimi K3 | 39% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 31 | | 36.6% | high; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 32 | | 34.1% | task version 2.0.0, Epoch | May 2026 | Official leaderboard |
| 33 | | 34.1% | xhigh; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 34 | Claude Opus 4.7 | 31.7% | max; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 35 | Grok 4.6 | 31.7% | xhigh; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 36 | | 31.7% | xhigh | Oct 2026 | Epoch AI run |
| 37 | GPT-5.2 | 31.7% | xhigh; task version 2.0.0, Epoch | Dec 2025 | Official leaderboard |
| 38 | GLM-5.2 | 29.3% | max; task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 39 | Claude Sonnet 5 | 29.3% | max; task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 40 | GLM-5.3 | 29.3% | max; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 41 | Claude Opus 4.6 | 26.8% | max; task version 2.0.0, Epoch | Feb 2026 | Official leaderboard |
| 42 | | 26.8% | task version 2.0.0, Epoch | Feb 2026 | Official leaderboard |
| 43 | | 26.8% | high; task version 2.0.0, Epoch | May 2026 | Official leaderboard |
| 44 | | 26.8% | max; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 45 | | 26.8% | max; task version 2.1.0, Epoch | Sep 2026 | Official leaderboard |
| 46 | | 26.8% | high | Oct 2026 | Epoch AI run |
| 47 | Kimi K2.6 | 25.6% | task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 48 | Grok 4.5 | 24.4% | high; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 49 | | 24.4% | max; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 50 | GPT-5 | 21.9% | high; task version 2.0.0, Epoch | Aug 2025 | Official leaderboard |
| 51 | | 21.9% | high; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 52 | | 21.9% | high; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 53 | GPT-5 Pro | 19.5% | high; task version 2.0.0, Epoch | Oct 2025 | Official leaderboard |
| 54 | | 17.1% | task version 2.0.0, Epoch | Dec 2025 | Official leaderboard |
| 55 | Grok 4.20 | 17.1% | Feb 2026 | Epoch AI run | |
| 56 | | 17.1% | xhigh; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
| 57 | GLM-5.3-Flash | 17.1% | max; task version 2.0.0, Epoch | Aug 2026 | Official leaderboard |
| 58 | Grok 4.7 | 17.1% | xhigh; task version 2.0.0, Epoch | Sep 2026 | Official leaderboard |
| 59 | Grok 4.3 Beta | 14.6% | high | Apr 2026 | Epoch AI run |
| 60 | Grok 4.3 | 14.6% | high; task version 2.0.0, Epoch | Apr 2026 | Official leaderboard |
| 61 | GPT-5 mini | 12.2% | high; task version 2.0.0, Epoch | Aug 2025 | Official leaderboard |
| 62 | GPT-5.4 Nano | 12.2% | high; task version 2.0.0, Epoch | Mar 2026 | Official leaderboard |
| 63 | Kimi K2.7 Code | 12.2% | task version 2.0.0, Epoch | Jun 2026 | Official leaderboard |
| 64 | GPT-5.4 Mini | 9.76% | xhigh | Mar 2026 | Epoch AI run |
| 65 | o4-mini | 4.88% | high | Apr 2025 | Epoch AI run |
| 66 | Claude Opus 4.5 | 4.88% | 32k thinking | Nov 2025 | Epoch AI run |
| 67 | | 4.88% | xhigh | Jul 2026 | Epoch AI run |
| 68 | Claude Opus 4.1 | 2.44% | 32K | Aug 2025 | Epoch AI run |
| 69 | GPT-5 nano | 2.44% | high | Aug 2025 | Epoch AI run |
| 70 | Claude Sonnet 4.5 | 2.44% | 32k thinking | Sep 2025 | Epoch AI run |
| 71 | | 2.44% | max | Apr 2026 | Epoch AI run |
| 72 | GPT-5.5 Instant | 2.44% | May 2026 | Epoch AI run | |
| 73 | o3-mini | 0% | high; task version 2.0.0, Epoch | Jan 2025 | Official leaderboard |
| 74 | | 0% | task version 2.0.0, Epoch | Jun 2025 | Official leaderboard |
| 75 | | 0% | high; task version 2.0.0, Epoch | Jul 2026 | Official leaderboard |
Epoch AI has run 74 models. Labs report scores for 3 models in their cards. Switch the scores above to rank them together.
4 models have held number one on the official leaderboard since its release in June 2026 4 models have held number one across all independent runs since its release in June 2026 4 models have held number one with claims included since its release in June 2026
Lab claims count from the day the card came out, independent runs from the model’s release. We draw one row each for the benchmark’s own leaderboard, Epoch AI’s runs and what labs claim in their cards.
Sources: Official FrontierMath Tier 4 v2 leaderboard, Epoch AI runs (CC BY 4.0) and labs’ model cards
Claude Fable 5 on the official leaderboard passed 85% in June 2026
All the scores we have, one dot each, so a model tested at several settings appears more than once.
Sources: Official FrontierMath Tier 4 v2 leaderboard, Epoch AI runs (CC BY 4.0) and labs’ model cards
One lab put it in a launch post in the last six months
Launch posts from every lab that has listed it, one tick per post. Tall colored ticks include it, and short gray ones leave it out.
| Date | Launch post | Score | As the post writes it |
|---|---|---|---|
| Jul 9, 2026 | GPT-5.6 Luna | 58.5 | FrontierMath Tier 4 (v2) |
| Jul 9, 2026 | GPT-5.6 Terra | 68.3 | FrontierMath Tier 4 (v2) |
| Jul 9, 2026 | GPT-5.6 Sol | 83 | FrontierMath Tier 4 (v2) |
The lab's number comes out ahead in 0 of 2 pairs that differ
Each score a lab reported for its own model, beside the same model's best score on the leaderboard. Gaps mostly come from different harnesses, effort levels and task subsets. 1 of them match, which usually means one side copied the other. Every benchmark.
| Model | Lab says | Board says | Gap |
|---|---|---|---|
| GPT-5.6 Luna | 58.5% FrontierMath Tier 4 (v2) | 61% Leaderboard, max; task version 2.0.0, Epoch | −2.5 pts |
| GPT-5.6 Terra | 68.3% FrontierMath Tier 4 (v2) | 70.7% Leaderboard, max; task version 2.0.0, Epoch | −2.4 pts |
| GPT-5.6 Sol | 83% FrontierMath Tier 4 (v2) | 82.9% Leaderboard, max; task version 2.0.0, Epoch | Same |
Versions
We switch the top row to each new version when it comes out. Open it for one row per version. An old version stays in play while people still test it, so whoever first takes it past 85% gets credit for closing it out.
Sources: Official leaderboards and Epoch AI runs (CC BY 4.0)
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