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Smartest LLM overall: AA Intelligence Index ranking

Claude Opus 5.5 leads
57.6
models measured
213
lead over #2
+1.6
median
18.5

Leader on AA Intelligence Index · read October 20

57.6AA Intelligence Index

1 Claude Opus 5.557.6

As of October 20, 2026, Anthropic Claude Opus 5.5 leads overall intelligence with 57.6 on AA Intelligence Index, ahead of Anthropic Claude Sonnet 5.5 (56.0) and Anthropic Claude Fable 5.1 (53.4). This ranking is one public board, shown as published, and is not part of the Vibe Coding Index.

213 models on AA Intelligence Index, higher is better

Original board: Artificial Analysis (via OpenRouter)
Smartest LLM overall: AA Intelligence Index ranking
Rank Model AA Intelligence Index Evidence Coding index Output $/Mtok
1
Claude Opus 5.5 Anthropic
57.6
92.2 $20.00
2
Claude Sonnet 5.5 Anthropic
56.0
88.9 $10.00
3
Claude Fable 5.1 Anthropic
53.4
89.1 $50.00
4
GPT-6 Astra OpenAI
52.7
88.7 $50.00
5
52.6
80.5 $10.00
6
GPT-6.1 Sol OpenAI
51.8
88.7 $10.00
7
Claude Opus 5 Anthropic
50.8
81.8 $25.00
8
Claude Fable 5 Anthropic
49.6
82.1 $50.00
9
48.1
79.7 $4.25
10
GPT-6 Sol OpenAI
47.6
82.8 $10.00
11
GPT-5.6 Sol OpenAI
47.0
76.7 $20.00
12
Grok 4.7 xAI
46.4
75.0 $6.00
13
MiMo-V2.6-Pro Xiaomi
46.3
72.6 $0.87
14
45.4
63.5 $6.00
15
GLM 5.3 Z.ai
44.8
73.1 $1.40
16
Grok 4.6 xAI
44.3
76.4 $6.00
17
Step 5 Preview StepFun
43.7
71.4 $2.70
18
Kimi K3 Moonshot AI
43.6
61.8 $11.936
19
Claude Haiku 5.5 Anthropic
43.4
75.9 $0.50
20
GPT-5.6 Terra OpenAI
42.1
69.0 $12.00
21
Claude Opus 4.8 Anthropic
41.8
66.0 $25.00
22
41.8
71.0 $0.16
23
Ling 3.1 Flash inclusionAI
41.1
Not benchmarked $0.225
24
40.9
70.5 $4.125
25
Claude Opus 4.7 Anthropic
40.7
51.1 $25.00
26
39.9
Not benchmarked $6.00
27
39.6
69.9 $3.75
28
39.6
65.1 $4.25
29
39.5
83.3 $0.60
30
GPT-5.4 OpenAI
39.0
37.7 $15.00
31
Grok 4.5 xAI
38.8
75.5 $6.00
32
Mistral Large 4 Mistral AI
38.4
55.3 $2.09
33
GPT-5.5 OpenAI
38.4
67.8 $30.00
34
Claude Sonnet 5 Anthropic
38.2
63.5 $10.00
35
GPT-6 Luna OpenAI
38.1
71.4 $0.50
36
37.9
61.9 $0.28
37
GPT-5.6 Luna OpenAI
37.3
61.5 $1.20
38
36.0
54.6 $1.98
39
34.8
37.6 $0.6468
40
34.3
Not benchmarked $1.32
41
34.0
48.3 $3.75
42
33.7
48.9 $4.25
43
33.7
73.6 $2.20
44
GLM 5.2 Z.ai
33.7
57.7 $2.42
45
33.6
42.8 $9.00
46
GPT-5.3-Codex OpenAI
32.5
29.5 $14.00
47
Claude Opus 4.6 Anthropic
31.9
66.9 $25.00
48
30.4
35.3 $1.9105
49
GPT-5.2 OpenAI
30.4
58.9 $14.00
50
Claude Sonnet 4.6 Anthropic
30.1
57.8 $15.00
51
29.7
35.3 $12.00
52
29.5
45.1 $4.425
53
MiniMax M3 MiniMax
29.2
57.8 $1.20
54
Claude Opus 4.5 Anthropic
29.1
66.8 $25.00
55
GPT-5.2-Codex OpenAI
28.5
55.1 $14.00
56
Solar Pro 4 Upstage
28.2
24.4 $0.60
57
GLM 5 Z.ai
27.9
59.7 $1.92
58
27.2
Not benchmarked $2.00
59
Kimi K2.6 Moonshot AI
27.0
44.2 $3.41
60
27.0
37.4 $1.95
61
26.6
Not benchmarked $4.00
62
26.5
65.5 $0.50
63
26.3
75.8 $3.00
64
GLM 5.1 Z.ai
26.1
44.0 $3.036
65
MiMo-V2.5-Pro Xiaomi
26.0
40.0 $0.87
66
Kimi K2.7 Code Moonshot AI
25.8
39.1 $3.35
67
Grok 4.20 xAI
25.7
Not benchmarked $2.50
68
T Inkling Small Thinking Machines
25.7
29.9 $1.20
69
Hy3 preview Tencent
25.3
22.4 $0.60
70
25.2
Not benchmarked $1.28
71
T Inkling Thinking Machines
25.0
49.7 $4.05
72
Grok 4.3 xAI
24.9
22.5 $2.50
73
24.7
77.2 $0.0112
74
GPT-5.1 OpenAI
24.7
53.3 $10.00
75
Ling 3.0 Flash VL inclusionAI
24.6
Not benchmarked $0.18
76
24.4
54.6 $0.182
77
GPT-5.4 Mini OpenAI
24.1
28.2 $4.50
78
Solar Mini 4 Upstage
24.1
Not benchmarked $0.20
79
GPT-5.1-Codex OpenAI
23.7
50.5 $10.00
80
Kimi K2.5 Moonshot AI
23.5
58.5 $2.50
81
23.5
28.8 $4.00
82
GPT-5 OpenAI
23.0
72.2 $10.00
83
22.9
Not benchmarked $2.40
84
22.9
22.6 $2.16
85
Claude Opus 4.1 Anthropic
22.8
27.2 $75.00
86
MiniMax M2.5 MiniMax
22.8
59.4 $0.95
87
MiniMax M2.7 MiniMax
22.8
28.4 $1.20
88
22.2
33.6 $2.50
89
GLM 4.7 Z.ai
22.2
33.6 $1.98
90
Kimi K2 Thinking Moonshot AI
22.0
63.4 $2.50
91
o3 Pro OpenAI
21.9
84.9 $80.00
92
MiMo-V2.5 Xiaomi
21.8
34.0 $0.28
93
DeepSeek V3.2 DeepSeek
21.5
54.4 $0.42
94
21.4
28.6 $2.34
95
21.4
Not benchmarked $2.00
96
MiniMax M2.1 MiniMax
20.9
Not benchmarked $1.20
97
Claude Sonnet 4.5 Anthropic
20.7
59.1 $15.00
98
GPT-5.4 Nano OpenAI
20.7
Not benchmarked $1.25
99
GPT-5 Mini OpenAI
20.6
59.8 $2.00
100
20.4
6.2 $2.00

Showing the first 100 of 213. Every row, with its source date, is in the full dataset.

What this measures

How does the model do across a broad set of evaluations one independent lab runs itself?

Artificial Analysis runs a set of evaluations itself (reasoning, knowledge, math, coding and agentic tasks) and combines them into one score from 0 to 100. Its methodology page lists the evaluations in the current version. The number is the index as Artificial Analysis publishes it and OpenRouter lists it.

Read from Artificial Analysis (via OpenRouter) on October 20, 2026. Each model appears once with its best published setting; rows that match no model in our catalog are left out. AA Intelligence Index benchmark page

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