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IFAI

Model rankings

1203 models · 5 boards · 2 sources

Artificial AnalysisIntelligence IndexArenaText arena

Intelligence Index · A composite of several evaluations · Updated May 8, 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
StepAudio 2.5 TTSSpeech · #3New
Bach-1.0 PreviewVideo · #7New
SIMBA 3.0Speech · #7New
qwen3.6-max-previewCoding · #9New
RankChangeModelIntelligencePrice $/MSpeed tok/sFirst token
1—GPT-5.5 (xhigh)ClosedOpenAI · 4 more variants60.2$116373 s
2—Claude Opus 4.7 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 1 more variant57.3$114322 s
3—Gemini 3.1 Pro PreviewClosedGoogle57.2$4.511229 s
4—GPT-5.4 (xhigh)ClosedOpenAI · 2 more variants56.8$5.680228 s
5—GPT-5.3 Codex (xhigh)ClosedOpenAI53.6$4.87496 s
6—Grok 4.3ClosedxAI53.2$1.67215 s
7—Claude Opus 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 1 more variant53.0$114012 s
8—Muse SparkClosedMeta52.2———
9—Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 2 more variants51.7$6.651111 s
10—GPT-5.2 (xhigh)ClosedOpenAI · 2 more variants51.3$4.863156 s
11—Claude Opus 4.5 (Reasoning)ClosedAnthropic · 1 more variant49.7$11459.8 s
12—Grok 4.20 0309 v2 (Reasoning)ClosedxAI · 1 more variant49.3$3.08725 s
13—GPT-5.2 Codex (xhigh)ClosedOpenAI49.0$4.899107 s
14—GPT-5.4 mini (xhigh)ClosedOpenAI · 2 more variants48.9$1.71557.9 s
15—Grok 4.20 0309 (Reasoning)ClosedxAI · 1 more variant48.5$3.08528 s
16—Gemini 3 Pro Preview (high)ClosedGoogle · 1 more variant48.4$4.512647 s
17—GPT-5.1 (high)ClosedOpenAI · 1 more variant47.7$3.413625 s
18—Gemini 3 Flash Preview (Reasoning)ClosedGoogle · 1 more variant46.4$1.11626.8 s
19—GPT-5 (high)ClosedOpenAI · 4 more variants44.6$3.47188 s
19—GPT-5 Codex (high)ClosedOpenAI44.6$3.41619.7 s
21—GPT-5.4 nano (xhigh)ClosedOpenAI · 2 more variants44.0$0.461524.8 s
22—GPT-5.1 Codex (high)ClosedOpenAI43.1$3.41675.6 s
23—Claude 4.5 Sonnet (Reasoning)ClosedAnthropic · 1 more variant43.0$6.6409.1 s
24—Claude 4.1 Opus (Reasoning)ClosedAnthropic · 1 more variant42.0$332812 s
25—Grok 4ClosedxAI41.5$8.54220 s
26—GPT-5 mini (high)ClosedOpenAI · 2 more variants41.2$0.6972106 s
27—o3-proClosedOpenAI40.7$352992 s
28—Gemma 4 31B (Reasoning)OpenGoogle · 1 more variant39.2$0.000361.7 s
29—Claude 4 Opus (Reasoning)ClosedAnthropic · 1 more variant39.0$33307.6 s
30—Claude 4 Sonnet (Reasoning)ClosedAnthropic · 1 more variant38.7$6.64010 s
31—GPT-5.1 Codex mini (high)ClosedOpenAI38.6$0.691973.6 s
32—Grok 4.1 Fast (Reasoning)ClosedxAI · 1 more variant38.6$0.287813 s
33—o3ClosedOpenAI38.4$3.5828.3 s
34—Claude 4.5 Haiku (Reasoning)ClosedAnthropic · 1 more variant37.1$2.29513 s
35—NVIDIA Nemotron 3 Super 120B A12B (Reasoning)OpenNVIDIA36.0$0.411741.2 s
36—Nova 2.0 Pro Preview (medium)ClosedAmazon · 2 more variants35.7$3.414313 s
37—Grok 4 Fast (Reasoning)ClosedxAI · 1 more variant35.1$0.28549.3 s
38—Claude 3.7 Sonnet (Reasoning)ClosedAnthropic · 1 more variant34.7———
39—Gemini 2.5 ProClosedGoogle34.6$3.412726 s
40—Nova 2.0 Lite (high)ClosedAmazon · 3 more variants34.5$0.8515013 s
41—Gemini 3.1 Flash-Lite PreviewClosedGoogle33.5$0.563265.7 s
42—gpt-oss-120B (high)OpenOpenAI · 1 more variant33.3$0.262430.9 s
43—o4-mini (high)ClosedOpenAI33.1$1.912326 s
44—Mercury 2ClosedInception32.8$0.386853.3 s
45—Grok 3 mini Reasoning (high)ClosedxAI32.1$0.351690.7 s
46—Gemma 4 26B A4B (Reasoning)OpenGoogle · 1 more variant31.2$0.20——
47—Gemini 2.5 Flash Preview (Sep '25) (Reasoning)ClosedGoogle · 3 more variants31.1———
48—o1ClosedOpenAI · 1 more variant30.8$269336 s
49—Gemini 2.5 Pro Preview (Mar' 25)ClosedGoogle · 1 more variant30.3———
50—Grok Code Fast 1ClosedxAI28.7$0.53706.4 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 “—”.