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IFAI

Model rankings

1190 models · 5 boards · 2 sources

Artificial AnalysisIntelligence IndexArenaText arena

Intelligence Index · A composite of several evaluations · Updated May 1, 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
Grok 4.3Intelligence · #8New
mimo-v2.5-proCoding · #9New
gpt-5.5 (codex-harness)Coding · #15New
RankChangeModelIntelligencePrice $/MSpeed tok/sFirst token
1—GPT-5.5 (xhigh)ClosedOpenAI · 4 more variants60.2$1166118 s
2—Claude Opus 4.7 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 1 more variant57.3$104926 s
3—Gemini 3.1 Pro PreviewClosedGoogle57.2$4.512225 s
4—GPT-5.4 (xhigh)ClosedOpenAI · 2 more variants56.8$5.688215 s
5—GPT-5.3 Codex (xhigh)ClosedOpenAI53.6$4.87294 s
6NewGrok 4.3ClosedxAI53.2$1.620313 s
7▼ 1Claude Opus 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 1 more variant53.0$104623 s
8▼ 1Muse SparkClosedMeta52.2———
9▼ 1Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 2 more variants51.7$6.060117 s
10▼ 1GPT-5.2 (xhigh)ClosedOpenAI · 2 more variants51.3$4.868159 s
11▼ 1Claude Opus 4.5 (Reasoning)ClosedAnthropic · 1 more variant49.7$105016 s
12▼ 1Grok 4.20 0309 v2 (Reasoning)ClosedxAI · 1 more variant49.3$3.09326 s
13▼ 1GPT-5.2 Codex (xhigh)ClosedOpenAI49.0$4.811244 s
14▼ 1GPT-5.4 mini (xhigh)ClosedOpenAI · 2 more variants48.9$1.71648.8 s
15▼ 1Grok 4.20 0309 (Reasoning)ClosedxAI · 1 more variant48.5$3.09319 s
16▼ 1Gemini 3 Pro Preview (high)ClosedGoogle · 1 more variant48.4$4.512828 s
17▼ 1GPT-5.1 (high)ClosedOpenAI · 1 more variant47.7$3.412039 s
18▼ 1Gemini 3 Flash Preview (Reasoning)ClosedGoogle · 1 more variant46.4$1.11657.7 s
19▼ 1GPT-5 (high)ClosedOpenAI · 4 more variants44.6$3.47988 s
19▼ 1GPT-5 Codex (high)ClosedOpenAI44.6$3.41767.4 s
21▼ 1GPT-5.4 nano (xhigh)ClosedOpenAI · 2 more variants44.0$0.461605.0 s
22▼ 1GPT-5.1 Codex (high)ClosedOpenAI43.1$3.41768.1 s
23▼ 1Claude 4.5 Sonnet (Reasoning)ClosedAnthropic · 1 more variant43.0$6.04510 s
24▼ 1Claude 4.1 Opus (Reasoning)ClosedAnthropic · 1 more variant42.0$303313 s
25▼ 1Grok 4ClosedxAI41.5$6.04912 s
26▼ 1GPT-5 mini (high)ClosedOpenAI · 2 more variants41.2$0.6972118 s
27▼ 1o3-proClosedOpenAI40.7$3527105 s
28▼ 1Gemma 4 31B (Reasoning)OpenGoogle · 1 more variant39.2$0.21351.7 s
29▼ 1Claude 4 Opus (Reasoning)ClosedAnthropic · 1 more variant39.0$303311 s
30▼ 1Claude 4 Sonnet (Reasoning)ClosedAnthropic · 1 more variant38.7$6.04712 s
31▼ 1GPT-5.1 Codex mini (high)ClosedOpenAI38.6$0.692038.1 s
32▼ 1Grok 4.1 Fast (Reasoning)ClosedxAI · 1 more variant38.6$0.281257.4 s
33▼ 1o3ClosedOpenAI38.4$3.58512 s
34▼ 1Claude 4.5 Haiku (Reasoning)ClosedAnthropic · 1 more variant37.1$2.010711 s
35▼ 1NVIDIA Nemotron 3 Super 120B A12B (Reasoning)OpenNVIDIA36.0$0.411931.5 s
36▼ 1Nova 2.0 Pro Preview (medium)ClosedAmazon · 2 more variants35.7$3.412514 s
37▼ 1Grok 4 Fast (Reasoning)ClosedxAI · 1 more variant35.1$0.28757.0 s
38▼ 1Claude 3.7 Sonnet (Reasoning)ClosedAnthropic · 1 more variant34.7$6.0——
39▼ 1Gemini 2.5 ProClosedGoogle34.6$3.412823 s
40▼ 1Nova 2.0 Lite (high)ClosedAmazon · 3 more variants34.5$0.8518815 s
41▼ 1Gemini 3.1 Flash-Lite PreviewClosedGoogle33.5$0.563495.5 s
42▼ 1gpt-oss-120B (high)OpenOpenAI · 1 more variant33.3$0.262070.9 s
43▼ 1o4-mini (high)ClosedOpenAI33.1$1.912527 s
44▼ 1Mercury 2ClosedInception32.8$0.387823.7 s
45▼ 1Grok 3 mini Reasoning (high)ClosedxAI32.1$0.352000.6 s
46▼ 1Gemma 4 26B A4B (Reasoning)OpenGoogle · 1 more variant31.2$0.20——
47▼ 1Gemini 2.5 Flash Preview (Sep '25) (Reasoning)ClosedGoogle · 3 more variants31.1———
48▼ 1o1ClosedOpenAI · 1 more variant30.8$268929 s
49▼ 1Gemini 2.5 Pro Preview (Mar' 25)ClosedGoogle · 1 more variant30.3———
50▼ 1Grok Code Fast 1ClosedxAI28.7$0.531086.8 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 “—”.