Benchmarks / Composite

Epoch Capabilities Index

Epoch AI's Capabilities Index: a single score per model fitted across many benchmarks (item-response model), so scores are comparable across models tested on different sets. About 100 is GPT-4.1 and about 150 is a current frontier model. Data: Epoch AI, CC BY.

184models
–Open Index weight
–last updated
epoch-ecipublisher

Epoch Capabilities Index

Higher is better · best effort per model

Chart settings
184 of 184 selected

full table below

#ModelEffortScoreCost / taskHarness
1Opus 5.5max167––
2GPT-6 Astramax166––
3GPT-6.1 Solmax166––
4Fable 5.1max165––
5Gemini 4max165––
6Sonnet 5.5max164––
7Opus 5max163––
8GPT-6 Solmax163––
9Fable 5max162––
10GPT-5.5 Proxhigh162––
11GPT-5.6 Solmax162––
12GPT-5.6 Terramax159––
13GPT-5.4 Proxhigh159––
14Haiku 5.5max159––
15GPT-5.5xhigh159––
16Opus 4.8max158––
17Kimi K3max157––
18Gemini 3.7 Flashmax157––
19Gemini 3.8 Flashmax157––
20Qwen 3.8 Maxmax157––
21GPT-5.3 Codexxhigh157––
22Muse Spark 1.3max157––
23GPT-5.4xhigh157––
24Sonnet 5max156––
25GPT-5.6 Lunamax156––
26Opus 4.7max156––
27GPT-6 Lunamax156––
28Grok 4.6max156––
29GPT-5.2 Proxhigh156––
30GLM 5.3max156––
31DeepSeek V4.1 Flashmax156––
32DeepSeek V4 Pro 0813max155––
33Opus 4.6max155––
34Muse Spark 1.2max155––
35Gemini 3.1 Prohigh155––
36DeepSeek V4 Flash 0731max154––
37Gemini 3.5 Flashxhigh154––
38Grok 4.7max154––
39Gemini 3.6 Flashxhigh154––
40Muse Spark 1.1max154––
41Grok 4.5max154––
42Qwen 3.7 Maxmax154––
43GPT-5.2xhigh153––
44GLM 5.3 Flashmax153––
45Gemini 3 Prohigh153––
46Sonnet 4.6max152––
47Muse Spark–152––
48Grok 4.20xhigh152––
49GLM 5.2max152––
50Gemini 3 Flashhigh152––
51Qwen 3.8 27Bmax152––
52Kimi K2.6max151––
53GPT-5 Prohigh151––
54Inkling Smallxhigh150––
55Opus 4.5high150––
56GPT-5high150––
57GLM 5.1max150––
58Kimi K2.7 Codemax150––
59GPT-5.1high150––
60Qwen 3.6 Maxmax149––
61DeepSeek V4 Promax149––
62Grok 4.3xhigh149––
63GPT-5.4 Minixhigh149––
64Inklingmax149––
65Kimi K2.5max148––
66Qwen 3.6 Plusmax147––
67o3 prohigh147––
68Qwen 3.7 Plushigh147––
69MiniMax M3max147––
70Mistral Large 4high147––
71o3high147––
72Sonnet 4.5high147––
73MiniMax M2.5high147––
74Qwen 3.5 397B-A17Bmax147––
75Qwen 3.6 27Bmax146––
76Grok 4high146––
77Qwen 3.5 Plusnone146––
78GPT-5.4 Nanoxhigh146––
79DeepSeek V3.2high146––
80DeepSeek V4 Flashmax146––
81Kimi K2medium146––
82MiniMax M2.7high146––
83GLM 5high146––
84Nemotron 3 Ultra 550B A55Bmax146––
85o4 minihigh146––
86GPT-5 Minihigh145––
87Gemini 2.5 Prohigh145––
88Gemini 3.5 Flash-Litexhigh145––
89Qwen 3.7 Flashmax145––
90Gemini 3.1 Flash-Litehigh144––
91Grok 4 Fastnone144––
92Qwen 3.6 35B-A3Bmax144––
93Opus 4.1high144––
94Qwen 3 235B-A22Bxhigh144––
95GLM 4.7none144––
96Qwen 3.5 Flashmax144––
97Qwen 3.6 Flashmax143––
98Gemini 2.5 Flashmedium143––
99Gemma 4 31B IThigh143––
100Opus 4medium143––
101Qwen 3.5 35B-A3Blow142––
102GPT-5.5 Instant–142––
103Haiku 4.5xhigh142––
104Qwen 3 Maxmax142––
105o1high142––
106Gemma 4 26Bxhigh142––
107Sonnet 4high142––
108Mistral Medium 3.5high141––
109DeepSeek R1xhigh141––
110Sonnet 3.7medium141––
111o3 minihigh140––
112Grok 3 Minihigh140––
113gpt-oss-120bhigh140––
114DeepSeek V3.1none140––
115Qwen 3 30B-A3Bnone140––
116Qwen 3.5 9Blow139––
117GPT-5 Nanohigh139––
118Qwen 3 32Bnone138––
119Grok 3none138––
120Qwen 3 14Bnone138––
121gpt-oss-20bhigh138––
122GPT-4.1high137––
123GPT-4.5none137––
124Qwen 3 8Bnone136––
125DeepSeek V3none136––
126o1 minihigh136––
127Gemini 2.0 Flashmedium135––
128Gemini 2.0 Pronone135––
129GPT-4.1 Minihigh135––
130Mistral Medium 3none134––
131Gemini 2.5 Flash Litenone134––
132Magistral Small 1.0–133––
133Qwen 2.5 Maxnone133––
134Llama 4 Maverickmedium132––
135Mistral Small 3.2none132––
136Gemini 1.5 Pronone132––
137Magistral Small 1.2–131––
138Grok 2none130––
139Gemma 3 27Bnone130––
140Llama 4 Scoutmedium130––
141GPT-4.1 Nanohigh130––
142Gemini 1.5 Flashnone129––
143GPT-4ohigh129––
144Qwen 2.5 72Bnone129––
145Llama 3.1 405bnone129––
146Qwen 2.5 32Bnone129––
147Mistral Large 2none129––
148Mistral Small 3.1none127––
149Llama 3.3 70bnone127––
150GPT-4high127––
151Haiku 3.5medium127––
152Mistral Small 3none127––
153Opus 3none127––
154GPT-4o minihigh127––
155Llama 3.1 70bnone126––
156Llama 3.2 90bnone126––
157Qwen 2 72Bnone125––
158DeepSeek V2none125––
159Gemma 3 12Bnone123––
160Llama 3 70bnone123––
161Gemma 2 27B–122––
162Mistral Largenone122––
163Sonnet 3none121––
164Gemma 2 9B–120––
165Qwen 2.5 Codernone120––
166Command-R+ (Apr '24)none119––
167Mistralnone119––
168GPT-3.5high119––
169Qwen 2.5 7B–119––
170Mixtral 8x7B Instructnone119––
171Haiku 3medium118––
172Gemini 1.0 Pronone117––
173Llama 3.1 8bmedium117––
174Llama 3 8bnone116––
175Gemma 3 4Bnone116––
176Llama 2 70bnone114––
177Llama 6 5bnone110––
178Llama 3 3b–107––
179Llama 2 13bnone106––
180Llama 2 34b–105––
181Llama 3.2 1bnone102––
182Llama 1 3b–101––
183Llama 2 7bnone99––
184Qwen 1 8B–93––