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IFAI

Model rankings

1209 models · 5 boards · 2 sources

Artificial AnalysisIntelligence IndexArenaText arena

Intelligence Index · A composite of several evaluations · Updated May 15, 2026

Smartest
GPT-5.5 (xhigh)OpenAI60.2Intelligence
Best open model
Kimi K2.6Kimi53.9Intelligence
Best value
Qwen3.5 0.8B (Reasoning)Alibaba526 pts/$Value
Best from China
Kimi K2.6Kimi53.9Intelligence
Top three by Intelligence
1GPT-5.5 (xhigh)OpenAI60.2
Top three open models
1Kimi K2.6Kimi · #5 overall53.9
2MiMo-V2.5-ProXiaomi · #6 overall53.8
3DeepSeek V4 Pro (Reasoning, Max Effort)DeepSeek · #13 overall51.5
This week's changes
HiDream-O1-ImageImage · #31New
JT-35B-FlashIntelligence · #67New
granite-4.1-8bCoding · #68New
RankChangeModelIntelligencePrice $/MSpeed tok/sFirst token
1—GPT-5.5 (xhigh)ClosedOpenAI · 4 more variants60.2$117081 s
2—Claude Opus 4.7 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 1 more variant57.3$116615 s
3—Gemini 3.1 Pro PreviewClosedGoogle57.2$4.513533 s
4—GPT-5.4 (xhigh)ClosedOpenAI · 2 more variants56.8$5.684222 s
5—GPT-5.3 Codex (xhigh)ClosedOpenAI53.6$4.880106 s
6—Grok 4.3 (high)ClosedxAI · 1 more variant53.2$1.6839.0 s
7—Claude Opus 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 1 more variant52.9$114319 s
8—Muse SparkClosedMeta52.2———
9—Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 2 more variants51.7$6.671115 s
10—GPT-5.2 (xhigh)ClosedOpenAI · 2 more variants51.3$4.871216 s
11—Claude Opus 4.5 (Reasoning)ClosedAnthropic · 1 more variant49.7$115014 s
12—Grok 4.20 0309 v2 (Reasoning)ClosedxAI · 1 more variant49.3$3.09429 s
13—GPT-5.2 Codex (xhigh)ClosedOpenAI49.0$4.810743 s
14—GPT-5.4 mini (xhigh)ClosedOpenAI · 2 more variants48.9$1.716511 s
15—Grok 4.20 0309 (Reasoning)ClosedxAI · 1 more variant48.5$3.09230 s
16—Gemini 3 Pro Preview (high)ClosedGoogle · 1 more variant48.4$4.514137 s
17—GPT-5.1 (high)ClosedOpenAI · 1 more variant47.7$3.411545 s
18—Gemini 3 Flash Preview (Reasoning)ClosedGoogle · 1 more variant46.4$1.11707.4 s
19—GPT-5 Codex (high)ClosedOpenAI44.6$3.41829.6 s
20▼ 1GPT-5 (high)ClosedOpenAI · 4 more variants44.6$3.48479 s
21—GPT-5.4 nano (xhigh)ClosedOpenAI · 2 more variants44.0$0.461455.9 s
22—GPT-5.1 Codex (high)ClosedOpenAI43.1$3.41814.4 s
23—Claude 4.5 Sonnet (Reasoning)ClosedAnthropic · 1 more variant43.0$6.64413 s
24—Claude 4.1 Opus (Reasoning)ClosedAnthropic · 1 more variant42.0$333514 s
25—Grok 4ClosedxAI41.5$8.54532 s
26—GPT-5 mini (high)ClosedOpenAI · 2 more variants41.2$0.6992126 s
27—o3-proClosedOpenAI40.7$3529106 s
28—Claude 4 Opus (Reasoning)ClosedAnthropic · 1 more variant39.0$333712 s
29—Claude 4 Sonnet (Reasoning)ClosedAnthropic · 1 more variant38.7$6.64613 s
30—GPT-5.1 Codex mini (high)ClosedOpenAI38.6$0.6920011 s
31—Grok 4.1 Fast (Reasoning)ClosedxAI · 1 more variant38.6$0.289413 s
32—o3ClosedOpenAI38.4$3.5979.3 s
33—Claude 4.5 Haiku (Reasoning)ClosedAnthropic · 1 more variant37.1$2.29619 s
34—Nova 2.0 Pro Preview (medium)ClosedAmazon · 2 more variants35.7$3.412320 s
35—Grok 4 Fast (Reasoning)ClosedxAI · 1 more variant35.1$0.281027.8 s
36—Claude 3.7 Sonnet (Reasoning)ClosedAnthropic · 1 more variant34.7———
37—Gemini 2.5 ProClosedGoogle34.6$3.413924 s
38—Nova 2.0 Lite (high)ClosedAmazon · 3 more variants34.5$0.8512526 s
39—Gemini 3.1 Flash-Lite PreviewClosedGoogle33.5$0.563326.1 s
40—o4-mini (high)ClosedOpenAI33.1$1.914936 s
41—Mercury 2ClosedInception32.8$0.389055.4 s
42—Grok 3 mini Reasoning (high)ClosedxAI32.1$0.351580.7 s
43—Gemini 2.5 Flash Preview (Sep '25) (Reasoning)ClosedGoogle · 3 more variants31.1———
44—o1ClosedOpenAI · 1 more variant30.7$269837 s
45—Gemini 2.5 Pro Preview (Mar' 25)ClosedGoogle · 1 more variant30.3———
46—Grok Code Fast 1ClosedxAI28.7$0.53657.9 s
47—Nova 2.0 Omni (medium)ClosedAmazon · 2 more variants28.0$0.85——
48—Gemini 2.5 Flash (Reasoning)ClosedGoogle · 1 more variant27.0$0.8521217 s
49—GPT-5 nano (high)ClosedOpenAI · 2 more variants26.8$0.14148106 s
50—GPT-4.1ClosedOpenAI26.3$3.5911.2 s

Intelligence over time

Each maker's best model at the time on the Artificial Analysis Intelligence Index, by the month it was released.

Gained most · Anthropic +57.2Highest now · Anthropic 64.6Gap between highest and lowest 18.1 ptsTime range Nov 2025 – Nov 2026
64.6Anthropic60.0Google56.9OpenAI50.1Meta46.5Kimi

Arena data comes from the leaderboard dataset it publishes on Hugging Face (CC BY 4.0). Only each board's overall leaderboard is used; scores and ranks are unchanged. dataset · CC BY 4.0

Artificial Analysis data comes from its API (artificialanalysis.ai). Scores are unchanged; ranks follow the scores. artificialanalysis.ai

Open or closed follows the license Arena gives; prices and Artificial Analysis intelligence show only where model names match, otherwise “—”.