Noometry

Reasoning benchmark

Epoch Capabilities Index leaderboard

As of October 2026, Claude Opus 5.5 has the highest published Epoch Capabilities Index score on Noometry at 167.33, out of 213 models with results.

Last verified

About Epoch Capabilities Index

Epoch AI's composite capability score, fitted across many benchmarks with item response theory.

Category
Reasoning
Introduced
2025
Format
Composite index
Unit
Raw score
Official site
epoch.ai

Top 15 models

  1. Claude Opus 5.5 167.33
  2. GPT-6 Astra 166.45
  3. GPT-6.1 Sol 166.09
  4. Claude Sonnet 5.5 165.03
  5. Claude Fable 5.1 164.7
  6. Claude Opus 5 162.78
  7. GPT-6 Sol 162.72
  8. GPT-5.5 Pro 162.07
  9. Claude Fable 5 162.06
  10. GPT-5.6 Sol 161.66
  11. GPT-5.6 Terra 159.62
  12. GPT-5.5 159.1
  13. GPT-5.4 Pro 158.93
  14. Claude Opus 4.8 158.21
  15. Kimi K3 157.45

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All results

#ModelProviderRatingSettingSourceDate
1Claude Opus 5.5 Anthropic167.33Epoch AI2026-09-22
2GPT-6 Astra OpenAI166.45Epoch AI2026-09-03
3GPT-6.1 Sol OpenAI166.09Epoch AI2026-09-29
4Claude Sonnet 5.5 Anthropic165.03Epoch AI2026-09-28
5Claude Fable 5.1 Anthropic164.7Epoch AI2026-09-01
6Claude Opus 5 Anthropic162.78Epoch AI2026-07-24
7GPT-6 Sol OpenAI162.72Epoch AI2026-09-22
8GPT-5.5 Pro OpenAI162.07Epoch AI2026-04-23
9Claude Fable 5 Anthropic162.06Epoch AI2026-06-09
10GPT-5.6 Sol OpenAI161.66Epoch AI2026-07-09
11GPT-5.6 Terra OpenAI159.62Epoch AI2026-07-09
12GPT-5.5 OpenAI159.1Epoch AI2026-04-23
13GPT-5.4 Pro OpenAI158.93Epoch AI2026-03-05
14Claude Opus 4.8 Anthropic158.21Epoch AI2026-05-28
15Kimi K3 Moonshot AI157.45Epoch AI2026-07-16
16Gemini 3.7 Flash Google157.27Epoch AI2026-08-13
17GPT-5.4 OpenAI156.81Epoch AI2026-03-05
18GPT-5.3 Codex OpenAI156.77Epoch AI2026-02-05
19Muse Spark 1.3 Meta156.75Epoch AI2026-09-02
20Gemini 3.8 Flash Google156.71Epoch AI2026-09-02
21Grok 4.6 xAI156.44Epoch AI2026-08-12
22Qwen3.8 Max Alibaba (Qwen)156.41Epoch AI2026-08-02
23GPT-5.6 Luna OpenAI156.39Epoch AI2026-07-09
24GPT-6 Luna OpenAI156.28Epoch AI2026-09-22
25Claude Opus 4.7 Anthropic156.25Epoch AI2026-04-16
26Claude Sonnet 5 Anthropic156.21Epoch AI2026-06-30
27GLM-5.3 Z.ai (Zhipu)155.61Epoch AI2026-08-14
28GPT-5.2 Pro OpenAI155.4Epoch AI2025-12-11
29DeepSeek V4 Pro DeepSeek155.31Epoch AI2026-08-13
30Claude Opus 4.6 Anthropic155.24Epoch AI2026-02-05
31DeepSeek V4.1 Flash DeepSeek154.9Epoch AI2026-09-09
32Muse Spark 1.2 Meta154.87Epoch AI2026-08-05
33Gemini 3.1 Pro Preview Google154.77Epoch AI2026-02-19
34DeepSeek V4 Flash DeepSeek154.49Epoch AI2026-07-31
35Gemini 3.5 Flash Google154.46Epoch AI2026-05-19
36Gemini 3.6 Flash Google154.25Epoch AI2026-07-21
37Muse Spark 1.1 Meta154.21Epoch AI2026-07-09
38Grok 4.5 xAI153.92Epoch AI2026-07-08
39Qwen3.7 Max Alibaba (Qwen)153.68Epoch AI2026-05-19
40Grok 4.7 xAI153.53Epoch AI2026-09-21
41GPT-5.2 OpenAI153.45Epoch AI2025-12-11
42Gemini 3 Pro Google152.92Epoch AI2025-11-18
43Claude Sonnet 4.6 Anthropic152.24Epoch AI2026-02-17
44Muse Spark Meta152.04Epoch AI2026-04-08
45Grok 4.20 (Non-Reasoning) xAI151.98Epoch AI2026-02-17
46GLM-5.3-Flash Z.ai (Zhipu)151.88Epoch AI2026-08-20
47Gemini 3 Flash Preview Google151.8Epoch AI2025-12-17
48GLM-5.2 Z.ai (Zhipu)151.78Epoch AI2026-06-16
49Kimi K2.6 Moonshot AI151.05Epoch AI2026-04-20
50GPT-5 Pro OpenAI150.28Epoch AI2025-10-07
51Inkling-Small Thinking Machines Lab150.15Epoch AI2026-07-15
52Claude Opus 4.5 Anthropic150.09Epoch AI2025-11-24
53GPT-5 OpenAI150Epoch AI2025-08-07
54Kimi K2.7 Code Moonshot AI149.97Epoch AI2026-06-12
55GLM-5.1 Z.ai (Zhipu)149.84Epoch AI2026-04-07
56GPT-5.1 OpenAI149.64Epoch AI2025-11-13
57Qwen3.8 27B Alibaba (Qwen)149.38Epoch AI2026-08-14
58Qwen3.6 Max Preview Alibaba (Qwen)149.24Epoch AI2026-04-20
59Grok 4.3 xAI149.16Epoch AI2026-04-17
60GPT-5.4 mini OpenAI148.84Epoch AI2026-03-17
61Inkling Thinking Machines Lab148.54Epoch AI2026-07-15
62Kimi K2.5 Moonshot AI148.03Epoch AI2026-01-27
63Qwen3.6 Plus Alibaba (Qwen)147.65Epoch AI2026-03-31
64o3-pro OpenAI147.42Epoch AI2025-06-10
65Qwen3.7 Plus Alibaba (Qwen)147.37Epoch AI2026-06-02
66MiniMax-M3 MiniMax146.95Epoch AI2026-06-01
67o3 OpenAI146.86Epoch AI2025-04-16
68Claude Sonnet 4.5 Anthropic146.84Epoch AI2025-09-29
69Qwen3.5 Plus Alibaba (Qwen)146.78Epoch AI2026-02-16
70MiniMax-M2.5 MiniMax146.68Epoch AI2026-02-12
71Qwen3.5 397B-A17B Alibaba (Qwen)146.65Epoch AI2026-02-13
72Qwen3.6 27B Alibaba (Qwen)146.5Epoch AI2026-04-22
73Grok 4 xAI146.44Epoch AI2025-07-09
74DeepSeek-V3.2-Exp DeepSeek146.27Epoch AI2025-12-01
75Nemotron 3 Ultra NVIDIA146.17Epoch AI2026-06-04
76Kimi K2 (Jul 2025) Moonshot AI146.01Epoch AI2025-11-06
77MiniMax-M2.7 MiniMax145.85Epoch AI2026-03-18
78GLM-5 Z.ai (Zhipu)145.83Epoch AI2026-02-11
79GPT-5.4 nano OpenAI145.81Epoch AI2026-03-17
80o4-mini OpenAI145.64Epoch AI2025-04-16
81GPT-5 Mini OpenAI145.52Epoch AI2025-08-07
82Gemini 2.5 Pro Google145.32Epoch AI2025-06-05
83Gemini 3.5 Flash Lite Google145.13Epoch AI2026-07-21
84Qwen3.7 Flash Alibaba (Qwen)144.64Epoch AI2026-07-27
85Gemini 3.1 Flash Lite Google144.47Epoch AI2026-03-03
86Grok 4 Fast xAI144.2Epoch AI2025-09-19
87Claude Opus 4.1 Anthropic144.12Epoch AI2025-08-05
88Qwen3.5-Flash Alibaba (Qwen)143.98Epoch AI2026-02-25
89Qwen3.6 35B-A3B Alibaba (Qwen)143.93Epoch AI2026-04-14
90Qwen3 235B-A22B Alibaba (Qwen)143.85Epoch AI2025-07-25
91GLM-4.7 Z.ai (Zhipu)143.51Epoch AI2025-12-22
92Qwen3.6 Flash Alibaba (Qwen)143.26Epoch AI2026-04-27
93Gemini 2.5 Flash Google143.03Epoch AI2025-09-25
94Gemma 4 31B IT Google142.74Epoch AI2026-04-02
95Claude Opus 4 Anthropic142.67Epoch AI2025-05-22
96GPT-5.5 Instant OpenAI142.52Epoch AI2026-05-05
97Qwen3.5 35B-A3B Alibaba (Qwen)142.52Epoch AI2026-02-24
98Claude Haiku 4.5 Anthropic142.41Epoch AI2025-10-15
99Qwen3 Max Alibaba (Qwen)142.38Epoch AI2025-09-24
100o1 OpenAI141.91Epoch AI2024-12-17
101Gemma 4 26B A4B IT Google141.85Epoch AI2026-04-02
102Claude Sonnet 4 Anthropic141.69Epoch AI2025-05-22
103Mistral Medium 3.5 Mistral AI141.35Epoch AI2026-04-28
104DeepSeek-R1 DeepSeek141.29Epoch AI2025-05-28
105Claude 3.7 Sonnet Anthropic141.16Epoch AI2025-02-24
106Grok-3 mini xAI140.35Epoch AI2025-06-24
107o3-mini OpenAI140.34Epoch AI2025-01-31
108gpt-oss-120b OpenAI139.93Epoch AI2025-08-05
109DeepSeek-V3.1 DeepSeek139.92Epoch AI2025-08-21
110Qwen3-30B-A3B Alibaba (Qwen)139.63Epoch AI2025-07-30
111Qwen3.5-9B Alibaba (Qwen)139.46Epoch AI2026-02-24
112GPT-5 Nano OpenAI139.38Epoch AI2025-08-07
113Qwen3 32B Alibaba (Qwen)138.51Epoch AI2025-04-29
114Grok 3 xAI138.33Epoch AI2025-04-09
115Qwen3 14B Alibaba (Qwen)138.23Epoch AI2025-04-29
116gpt-oss-20b OpenAI137.82Epoch AI2025-08-05
117QwQ-32B Alibaba (Qwen)137.6Epoch AI2025-03-05
118DeepSeek-R1-Distill-Qwen-32B DeepSeek137.44Epoch AI2025-01-20
119GPT-4.1 OpenAI136.78Epoch AI2025-04-14
120GPT-4.5 OpenAI136.74Epoch AI2025-02-27
121Qwen3 8B Alibaba (Qwen)136.17Epoch AI2025-04-28
122DeepSeek-V3 DeepSeek135.94Epoch AI2025-03-24
123o1-mini OpenAI135.82Epoch AI2024-09-12
124DeepSeek-R1-Distill-Qwen-14B DeepSeek135.43Epoch AI2025-01-20
125Gemini 2.0 Flash (Feb 2025) Google135.36Epoch AI2025-01-21
126Gemini 2.0 Pro Google135.06Epoch AI2025-02-05
127GPT-4.1 mini OpenAI135.01Epoch AI2025-04-14
128Mistral Medium 3 Mistral AI134.07Epoch AI2025-05-07
129Gemini 2.5 Flash-Lite Google133.94Epoch AI2025-06-17
130Claude 3.5 Sonnet Anthropic133.55Epoch AI2024-10-22
131Magistral Small Mistral AI133.19Epoch AI2025-06-10
132Qwen2.5-Max Alibaba (Qwen)132.53Epoch AI2025-01-25
133Llama 4 Maverick Meta132.2Epoch AI2025-04-06
134Mistral Small 3.2 Mistral AI131.74Epoch AI2025-06-20
135Gemini 1.5 Pro (May 2024) Google131.73Epoch AI2024-09-24
136Grok-2 (Dec 2024) xAI130.48Epoch AI2024-12-12
137Phi-4 Microsoft130.42Epoch AI2024-12-12
138Gemma 3 27B Google130.04Epoch AI2025-03-12
139Llama 4 Scout Meta129.64Epoch AI2025-04-05
140GPT-4.1 nano OpenAI129.62Epoch AI2025-04-14
141Gemini 1.5 Flash (May 2024) Google129.36Epoch AI2024-09-24
142Qwen2.5 72B Instruct Alibaba (Qwen)129Epoch AI2024-09-19
143GPT-4o OpenAI128.97Epoch AI2024-05-13
144Llama 3.1-405B Meta128.75Epoch AI2024-07-23
145Mistral Large Mistral AI128.52Epoch AI2024-11-18
146Qwen2.5 32B Instruct Alibaba (Qwen)128.52Epoch AI2024-09-17
147Mistral Small 3.1 Mistral AI127.48Epoch AI2025-03-17
148Llama-3.3-70B-Instruct Meta127.33Epoch AI2024-12-06
149GPT-4 Turbo OpenAI127.25Epoch AI2024-04-09
150Claude 3.5 Haiku Anthropic127.15Epoch AI2024-10-22
151Mistral Small 3 Mistral AI127.07Epoch AI2025-01-30
152Claude 3 Opus Anthropic126.91Epoch AI2024-02-29
153GPT-4o mini OpenAI126.56Epoch AI2024-07-18
154Llama 3.1-70B Meta125.92Epoch AI2024-07-23
155GPT-4 OpenAI125.89Epoch AI2023-03-14
156Llama 3.2 90B Meta125.5Epoch AI2024-09-24
157Qwen2-72B Alibaba (Qwen)125.28Epoch AI2024-06-07
158DeepSeek-V2 (MoE-236B, May 2024) DeepSeek124.77Epoch AI2024-05-07
159Amazon Nova Pro Amazon123.8Epoch AI2024-12-03
160Gemma 3 12B Google123.5Epoch AI2025-03-12
161Llama 3-70B Meta122.93Epoch AI2024-04-18
162Gemma 2 27B Google122.08Epoch AI2024-06-24
163Mixtral 8x22B Mistral AI122.03Epoch AI2024-04-17
164phi-3-small 7.4B Microsoft121.83Epoch AI2024-04-23
165phi-3-medium 14B Microsoft121.23Epoch AI2024-04-23
166Claude 3 Sonnet Anthropic120.7Epoch AI2024-02-29
167Claude Instant Anthropic120.28Epoch AI2023-08-09
168Claude 2 Anthropic120.13Epoch AI2023-07-11
169Gemma 2 9B Google119.83Epoch AI2024-06-24
170Qwen2.5-Coder-32B Alibaba (Qwen)119.49Epoch AI2024-09-18
171Command R+ Cohere119.34Epoch AI2024-08-30
172Claude 2.1 Anthropic119.27Epoch AI2023-11-21
173Mistral Nemo Mistral AI118.68Epoch AI2024-07-18
174GPT-3.5-turbo OpenAI118.55Epoch AI2023-11-06
175Qwen2.5 7B Instruct Alibaba (Qwen)118.51Epoch AI2024-09-19
176Mixtral 8x7B Mistral AI118.47Epoch AI2023-12-11
177Claude 3 Haiku Anthropic118.35Epoch AI2024-03-07
178Ministral 3B Mistral AI118.1Epoch AI2024-10-16
179Yi-34B 01.AI117.39Epoch AI2023-11-02
180phi-3-mini 3.8B Microsoft117.36Epoch AI2024-04-23
181Gemini 1.0 Pro Google117.04Epoch AI2023-12-13
182Llama 3.1-8B Meta116.57Epoch AI2024-07-23
183Llama 3-8B Meta116.45Epoch AI2024-04-18
184Gemma 3 4B Google116.02Epoch AI2025-03-12
185Llama 2-70B Meta113.79Epoch AI2023-07-18
186Qwen2.5-Coder (1.5B) Alibaba (Qwen)113.14Epoch AI2024-09-18
187Qwen-14B Alibaba (Qwen)113.03Epoch AI2023-09-24
188Mistral 7B Mistral AI112.21Epoch AI2023-09-27
189Falcon-180B Technology Innovation Institute112.13Epoch AI2023-09-06
190Gemma 7B Google111.99Epoch AI2024-02-21
191DeepSeek LLM 67B DeepSeek110.5Epoch AI2023-11-29
192Falcon 2 11B Technology Innovation Institute109.56Epoch AI2024-05-09
193Phi-2 Microsoft107.94Epoch AI2023-12-12
194Nemotron-4 15B NVIDIA107.72Epoch AI2024-02-26
195Qwen-7B Alibaba (Qwen)106.83Epoch AI2023-09-28
196Llama 2-13B Meta106.17Epoch AI2023-07-18
197Llama 2-34B Meta105.2Epoch AI2023-07-18
198StarCoder 2 15B NVIDIA105Epoch AI2024-02-20
199Yi 6B 01.AI104.77Epoch AI2023-11-22
200Falcon-40B Technology Innovation Institute104.45Epoch AI2023-05-25
201Llama 3.2 1B Meta101.99Epoch AI2024-09-24
202INTELLECT-1 Hugging Face100.86Epoch AI2024-11-29
203Llama 13b Meta100.58Epoch AI2023-02-24
204Llama 2-7B Meta99.06Epoch AI2023-07-18
205DeepSeek Coder 33B DeepSeek96.32Epoch AI2023-11-02
206Falcon-7B Technology Innovation Institute95.1Epoch AI2023-04-24
207Gemma 2B Google94.2Epoch AI2024-02-21
208StarCoder 2 7B NVIDIA93.56Epoch AI2024-02-20
209Phi-1.5 Microsoft91.53Epoch AI2023-09-11
210Dolly 2.0-12b Databricks89.67Epoch AI2023-04-11
211DeepSeek Coder 6.7B DeepSeek89.62Epoch AI2023-11-02
212StarCoder 2 3B NVIDIA88.76Epoch AI2024-02-22
213DeepSeek Coder 1.3B DeepSeek63.6Epoch AI2023-11-02

Compare the leaders

Other reasoning benchmarks

Frequently asked questions

What does Epoch Capabilities Index measure?

Epoch AI's composite capability score, fitted across many benchmarks with item response theory.

Which model has the highest Epoch Capabilities Index score?

As of October 2026, Claude Opus 5.5 has the highest published Epoch Capabilities Index score on Noometry at 167.33, out of 213 models with results.

What is the best open-weight model on Epoch Capabilities Index?

Kimi K3 has the highest Epoch Capabilities Index score among open-weight models at 157.45, ranking 15 of 213 overall.