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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)ClosedOpenAI60.2$117081 s
2—GPT-5.5 (high)ClosedOpenAI58.9$116330 s
3—Claude Opus 4.7 (Adaptive Reasoning, Max Effort)ClosedAnthropic57.3$116615 s
4—Gemini 3.1 Pro PreviewClosedGoogle57.2$4.513533 s
5—GPT-5.4 (xhigh)ClosedOpenAI56.8$5.684222 s
6—GPT-5.5 (medium)ClosedOpenAI56.7$116310 s
7—GPT-5.3 Codex (xhigh)ClosedOpenAI53.6$4.880106 s
8NewGrok 4.3 (high)ClosedxAI53.2$1.6839.0 s
9—Claude Opus 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic52.9$114319 s
10—Muse SparkClosedMeta52.2———
11—Claude Opus 4.7 (Non-reasoning, High Effort)ClosedAnthropic51.8$11591.8 s
12—Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic51.7$6.671115 s
13—GPT-5.2 (xhigh)ClosedOpenAI51.3$4.871216 s
14—GPT-5.5 (low)ClosedOpenAI50.8$11622.5 s
15—Claude Opus 4.5 (Reasoning)ClosedAnthropic49.7$115014 s
16—Grok 4.20 0309 v2 (Reasoning)ClosedxAI49.3$3.09429 s
17—GPT-5.2 Codex (xhigh)ClosedOpenAI49.0$4.810743 s
18—GPT-5.4 mini (xhigh)ClosedOpenAI48.9$1.716511 s
19—Grok 4.20 0309 (Reasoning)ClosedxAI48.5$3.09230 s
20—Gemini 3 Pro Preview (high)ClosedGoogle48.4$4.514137 s
21—GPT-5.4 (low)ClosedOpenAI47.9$5.6732.4 s
22—GPT-5.1 (high)ClosedOpenAI47.7$3.411545 s
23—GPT-5.2 (medium)ClosedOpenAI46.6$4.8——
24—Claude Opus 4.6 (Non-reasoning, High Effort)ClosedAnthropic46.5$11422.0 s
25—Gemini 3 Flash Preview (Reasoning)ClosedGoogle46.4$1.11707.4 s
26—GPT-5 Codex (high)ClosedOpenAI44.6$3.41829.6 s
27▼ 1GPT-5 (high)ClosedOpenAI44.6$3.48479 s
28—Claude Sonnet 4.6 (Non-reasoning, High Effort)ClosedAnthropic44.4$6.6461.5 s
29—GPT-5.4 nano (xhigh)ClosedOpenAI44.0$0.461455.9 s
30—GPT-5.1 Codex (high)ClosedOpenAI43.1$3.41814.4 s
31—Claude Opus 4.5 (Non-reasoning)ClosedAnthropic43.1$11471.7 s
32—Claude 4.5 Sonnet (Reasoning)ClosedAnthropic43.0$6.64413 s
33—Claude Sonnet 4.6 (Non-reasoning, Low Effort)ClosedAnthropic42.6$6.6481.4 s
34—GPT-5 (medium)ClosedOpenAI42.0$3.49440 s
35—Claude 4.1 Opus (Reasoning)ClosedAnthropic42.0$333514 s
36—Grok 4ClosedxAI41.5$8.54532 s
37—Gemini 3 Pro Preview (low)ClosedGoogle41.3$4.5——
38—GPT-5 mini (high)ClosedOpenAI41.2$0.6992126 s
39—GPT-5.5 (Non-reasoning)ClosedOpenAI40.9$11610.9 s
40—o3-proClosedOpenAI40.7$3529106 s
41—GPT-5 (low)ClosedOpenAI39.2$3.4847.4 s
42—Gemma 4 31B (Reasoning)OpenGoogle39.2$0.000351.6 s
43—Claude 4 Opus (Reasoning)ClosedAnthropic39.0$333712 s
44—GPT-5 mini (medium)ClosedOpenAI38.9$0.698816 s
45—Claude 4 Sonnet (Reasoning)ClosedAnthropic38.7$6.64613 s
46—GPT-5.1 Codex mini (high)ClosedOpenAI38.6$0.6920011 s
47—Grok 4.1 Fast (Reasoning)ClosedxAI38.6$0.289413 s
48—o3ClosedOpenAI38.4$3.5979.3 s
49—GPT-5.4 nano (medium)ClosedOpenAI38.1$0.461445.6 s
50—GPT-5.4 mini (medium)ClosedOpenAI37.7$1.71677.8 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 “—”.