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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)ClosedOpenAI60.2$11——
2NewGPT-5.5 (high)ClosedOpenAI58.9$11——
3NewClaude Opus 4.7 (Adaptive Reasoning, Max Effort)ClosedAnthropic57.3$104217 s
4▼ 3Gemini 3.1 Pro PreviewClosedGoogle57.2$4.513029 s
5▼ 3GPT-5.4 (xhigh)ClosedOpenAI56.8$5.678167 s
6NewGPT-5.5 (medium)ClosedOpenAI56.7$11——
7NewMiMo-V2.5-ProClosedXiaomi53.8$1.5612.8 s
8▼ 5GPT-5.3 Codex (xhigh)ClosedOpenAI53.6$4.87388 s
9▼ 5Claude Opus 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic53.0$10418.6 s
10▼ 5Muse SparkClosedMeta52.2———
11NewClaude Opus 4.7 (Non-reasoning, High Effort)ClosedAnthropic51.8$10402.2 s
12NewQwen3.6 Max PreviewClosedAlibaba51.8$2.9353.4 s
13▼ 7Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic51.7$6.048127 s
14▼ 7GPT-5.2 (xhigh)ClosedOpenAI51.3$4.867104 s
15NewGPT-5.5 (low)ClosedOpenAI50.8$11——
16▼ 8Qwen3.6 PlusClosedAlibaba50.0$1.1533.0 s
17▼ 8Claude Opus 4.5 (Reasoning)ClosedAnthropic49.7$10468.3 s
18▼ 8Grok 4.20 0309 v2 (Reasoning)ClosedxAI49.3$3.016416 s
19▼ 8MiMo-V2-ProClosedXiaomi49.2———
20▼ 8GPT-5.2 Codex (xhigh)ClosedOpenAI49.0$4.89369 s
21▼ 8GPT-5.4 mini (xhigh)ClosedOpenAI48.9$1.71648.9 s
22▼ 8Grok 4.20 0309 (Reasoning)ClosedxAI48.5$3.013316 s
23▼ 8Gemini 3 Pro Preview (high)ClosedGoogle48.4$4.513428 s
24▼ 8GPT-5.1 (high)ClosedOpenAI47.7$3.412131 s
25▼ 8GLM-5-TurboClosedZ AI46.8———
26▼ 8GPT-5.2 (medium)ClosedOpenAI46.6$4.8——
27▼ 8Claude Opus 4.6 (Non-reasoning, High Effort)ClosedAnthropic46.5$10381.8 s
28▼ 8Gemini 3 Flash Preview (Reasoning)ClosedGoogle46.4$1.11697.1 s
29▼ 8MiMo-V2-Omni-0327ClosedXiaomi44.9———
30▼ 8GPT-5 (high)ClosedOpenAI44.6$3.48667 s
30▼ 8GPT-5 Codex (high)ClosedOpenAI44.6$3.41816.4 s
32▼ 8Claude Sonnet 4.6 (Non-reasoning, High Effort)ClosedAnthropic44.4$6.0441.4 s
33▼ 8GPT-5.4 nano (xhigh)ClosedOpenAI44.0$0.461543.7 s
34▼ 8MiMo-V2-OmniClosedXiaomi43.4———
35▼ 8GPT-5.1 Codex (high)ClosedOpenAI43.1$3.41567.0 s
36▼ 8Claude Opus 4.5 (Non-reasoning)ClosedAnthropic43.1$10461.4 s
37▼ 8Claude 4.5 Sonnet (Reasoning)ClosedAnthropic43.0$6.0409.3 s
38▼ 8GLM 5V Turbo (Reasoning)ClosedZ AI42.9———
39▼ 8Claude Sonnet 4.6 (Non-reasoning, Low Effort)ClosedAnthropic42.6$6.0461.3 s
40▼ 8GPT-5 (medium)ClosedOpenAI42.0$3.47637 s
41▼ 8Claude 4.1 Opus (Reasoning)ClosedAnthropic42.0$302912 s
42▼ 8Grok 4ClosedxAI41.5$6.05912 s
43▼ 8Gemini 3 Pro Preview (low)ClosedGoogle41.3$4.5——
44▼ 8GPT-5 mini (high)ClosedOpenAI41.2$0.6976111 s
45NewGPT-5.5 (Non-reasoning)ClosedOpenAI40.9$11——
46▼ 9o3-proClosedOpenAI40.7$3534111 s
47▼ 9Qwen3 Max ThinkingClosedAlibaba39.9$2.4383.8 s
48▼ 9GPT-5 (low)ClosedOpenAI39.2$3.47610.0 s
49▼ 9Claude 4 Opus (Reasoning)ClosedAnthropic39.0$30298.8 s
50▼ 9GPT-5 mini (medium)ClosedOpenAI38.9$0.697616 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 “—”.