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IFAI

Model rankings

1160 models · 5 boards · 2 sources

Artificial AnalysisIntelligence IndexArenaText arena

Intelligence Index · A composite of several evaluations · Updated April 24, 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
2GLM-5.1 (Reasoning)Z AI · #12 overall51.4
3GLM-5 (Reasoning)Z AI · #15 overall49.8
This week's changes
GPT-5.5 (xhigh)Intelligence · #1New
GPT Image 2 (high)Image · #1New
Realtime TTS 1.5 MaxSpeech · #1New
kimi-k2.6Coding · #4New
RankChangeModelIntelligencePrice $/MSpeed tok/sFirst token
1NewGPT-5.5 (xhigh)ClosedOpenAI · 4 more variants60.2$11——
2NewClaude Opus 4.7 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 1 more variant57.3$104217 s
3▼ 2Gemini 3.1 Pro PreviewClosedGoogle57.2$4.513029 s
4▼ 2GPT-5.4 (xhigh)ClosedOpenAI · 1 more variant56.8$5.678167 s
5NewMiMo-V2.5-ProClosedXiaomi53.8$1.5612.8 s
6▼ 3GPT-5.3 Codex (xhigh)ClosedOpenAI53.6$4.87388 s
7▼ 3Claude Opus 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 1 more variant53.0$10418.6 s
8▼ 3Muse SparkClosedMeta52.2———
9NewQwen3.6 Max PreviewClosedAlibaba51.8$2.9353.4 s
10▼ 4Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 2 more variants51.7$6.048127 s
11▼ 4GPT-5.2 (xhigh)ClosedOpenAI · 2 more variants51.3$4.867104 s
12▼ 4Qwen3.6 PlusClosedAlibaba50.0$1.1533.0 s
13▼ 4Claude Opus 4.5 (Reasoning)ClosedAnthropic · 1 more variant49.7$10468.3 s
14▼ 4Grok 4.20 0309 v2 (Reasoning)ClosedxAI · 1 more variant49.3$3.016416 s
15▼ 4MiMo-V2-ProClosedXiaomi49.2———
16▼ 4GPT-5.2 Codex (xhigh)ClosedOpenAI49.0$4.89369 s
17▼ 4GPT-5.4 mini (xhigh)ClosedOpenAI · 2 more variants48.9$1.71648.9 s
18▼ 4Grok 4.20 0309 (Reasoning)ClosedxAI · 1 more variant48.5$3.013316 s
19▼ 4Gemini 3 Pro Preview (high)ClosedGoogle · 1 more variant48.4$4.513428 s
20▼ 4GPT-5.1 (high)ClosedOpenAI · 1 more variant47.7$3.412131 s
21▼ 4GLM-5-TurboClosedZ AI46.8———
22▼ 4Gemini 3 Flash Preview (Reasoning)ClosedGoogle · 1 more variant46.4$1.11697.1 s
23▼ 4MiMo-V2-Omni-0327ClosedXiaomi · 1 more variant44.9———
24▼ 4GPT-5 (high)ClosedOpenAI · 4 more variants44.6$3.48667 s
24▼ 4GPT-5 Codex (high)ClosedOpenAI44.6$3.41816.4 s
26▼ 4GPT-5.4 nano (xhigh)ClosedOpenAI · 2 more variants44.0$0.461543.7 s
27▼ 4GPT-5.1 Codex (high)ClosedOpenAI43.1$3.41567.0 s
28▼ 4Claude 4.5 Sonnet (Reasoning)ClosedAnthropic · 1 more variant43.0$6.0409.3 s
29▼ 4GLM 5V Turbo (Reasoning)ClosedZ AI42.9———
30▼ 4Claude 4.1 Opus (Reasoning)ClosedAnthropic · 1 more variant42.0$302912 s
31▼ 4Grok 4ClosedxAI41.5$6.05912 s
32▼ 4GPT-5 mini (high)ClosedOpenAI · 2 more variants41.2$0.6976111 s
33▼ 4o3-proClosedOpenAI40.7$3534111 s
34▼ 4Qwen3 Max ThinkingClosedAlibaba · 1 more variant39.9$2.4383.8 s
35▼ 4Claude 4 Opus (Reasoning)ClosedAnthropic · 1 more variant39.0$30298.8 s
36▼ 4Claude 4 Sonnet (Reasoning)ClosedAnthropic · 1 more variant38.7$6.03911 s
37▼ 4GPT-5.1 Codex mini (high)ClosedOpenAI38.6$0.691935.8 s
37▼ 4Qwen3.5 Omni PlusClosedAlibaba38.6$1.5522.4 s
39▼ 4Grok 4.1 Fast (Reasoning)ClosedxAI · 1 more variant38.6$0.281356.9 s
40▼ 4Step 3.5 Flash 2603ClosedStepFun38.5$0.0001501.2 s
41▼ 4o3ClosedOpenAI38.4$3.5939.3 s
42▼ 4Claude 4.5 Haiku (Reasoning)ClosedAnthropic · 1 more variant37.1$2.08919 s
43▼ 4Nova 2.0 Pro Preview (medium)ClosedAmazon · 2 more variants35.7$3.411610 s
44▼ 4Grok 4 Fast (Reasoning)ClosedxAI · 1 more variant35.1$0.282223.5 s
45▼ 4Claude 3.7 Sonnet (Reasoning)ClosedAnthropic · 1 more variant34.7$6.0——
46▼ 4Gemini 2.5 ProClosedGoogle34.6$3.412721 s
47▼ 4Nova 2.0 Lite (high)ClosedAmazon · 3 more variants34.5$0.8513017 s
48▼ 4Doubao Seed CodeClosedByteDance Seed33.5———
48▼ 4Gemini 3.1 Flash-Lite PreviewClosedGoogle33.5$0.563295.2 s
50▼ 4o4-mini (high)ClosedOpenAI33.1$1.912124 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 “—”.