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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)ClosedOpenAI60.2$116373 s
2—GPT-5.5 (high)ClosedOpenAI58.9$116224 s
3—Claude Opus 4.7 (Adaptive Reasoning, Max Effort)ClosedAnthropic57.3$114322 s
4—Gemini 3.1 Pro PreviewClosedGoogle57.2$4.511229 s
5—GPT-5.4 (xhigh)ClosedOpenAI56.8$5.680228 s
6—GPT-5.5 (medium)ClosedOpenAI56.7$11588.2 s
7—GPT-5.3 Codex (xhigh)ClosedOpenAI53.6$4.87496 s
8—Grok 4.3ClosedxAI53.2$1.67215 s
9—Claude Opus 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic53.0$114012 s
10—Muse SparkClosedMeta52.2———
11—Claude Opus 4.7 (Non-reasoning, High Effort)ClosedAnthropic51.8$11371.7 s
12—Qwen3.6 Max PreviewClosedAlibaba51.8$2.9363.5 s
13—Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic51.7$6.651111 s
14—GPT-5.2 (xhigh)ClosedOpenAI51.3$4.863156 s
15—GPT-5.5 (low)ClosedOpenAI50.8$11582.0 s
16—Qwen3.6 PlusClosedAlibaba50.0$1.1533.1 s
17—Claude Opus 4.5 (Reasoning)ClosedAnthropic49.7$11459.8 s
18—Grok 4.20 0309 v2 (Reasoning)ClosedxAI49.3$3.08725 s
19—MiMo-V2-ProClosedXiaomi49.2$1.5623.2 s
20—GPT-5.2 Codex (xhigh)ClosedOpenAI49.0$4.899107 s
21—GPT-5.4 mini (xhigh)ClosedOpenAI48.9$1.71557.9 s
22—Grok 4.20 0309 (Reasoning)ClosedxAI48.5$3.08528 s
23—Gemini 3 Pro Preview (high)ClosedGoogle48.4$4.512647 s
24—GPT-5.4 (low)ClosedOpenAI47.9$5.6672.0 s
25—GPT-5.1 (high)ClosedOpenAI47.7$3.413625 s
26—GLM-5-TurboClosedZ AI46.8———
27—GPT-5.2 (medium)ClosedOpenAI46.6$4.8——
28—Claude Opus 4.6 (Non-reasoning, High Effort)ClosedAnthropic46.5$11371.7 s
29—Gemini 3 Flash Preview (Reasoning)ClosedGoogle46.4$1.11626.8 s
30—MiMo-V2-Omni-0327ClosedXiaomi44.9$0.801072.2 s
31—GPT-5 (high)ClosedOpenAI44.6$3.47188 s
31—GPT-5 Codex (high)ClosedOpenAI44.6$3.41619.7 s
33—Claude Sonnet 4.6 (Non-reasoning, High Effort)ClosedAnthropic44.4$6.6431.4 s
34—GPT-5.4 nano (xhigh)ClosedOpenAI44.0$0.461524.8 s
35—MiMo-V2-OmniClosedXiaomi43.4$0.0001102.1 s
36—GPT-5.1 Codex (high)ClosedOpenAI43.1$3.41675.6 s
37—Claude Opus 4.5 (Non-reasoning)ClosedAnthropic43.1$11441.6 s
38—Claude 4.5 Sonnet (Reasoning)ClosedAnthropic43.0$6.6409.1 s
39—GLM 5V Turbo (Reasoning)ClosedZ AI42.9———
40—Claude Sonnet 4.6 (Non-reasoning, Low Effort)ClosedAnthropic42.6$6.6431.2 s
41—GPT-5 (medium)ClosedOpenAI42.0$3.48241 s
42—Claude 4.1 Opus (Reasoning)ClosedAnthropic42.0$332812 s
43—Grok 4ClosedxAI41.5$8.54220 s
44—Gemini 3 Pro Preview (low)ClosedGoogle41.3$4.5——
45—GPT-5 mini (high)ClosedOpenAI41.2$0.6972106 s
46—GPT-5.5 (Non-reasoning)ClosedOpenAI40.9$11561.0 s
47—o3-proClosedOpenAI40.7$352992 s
48—Qwen3 Max ThinkingClosedAlibaba39.9$2.4383.7 s
49—GPT-5 (low)ClosedOpenAI39.2$3.4758.5 s
50—Claude 4 Opus (Reasoning)ClosedAnthropic39.0$33307.6 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 “—”.