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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
1NewMiMo-V2.5-ProClosedXiaomi53.8$1.5612.8 s
2NewQwen3.6 Max PreviewClosedAlibaba51.8$2.9353.4 s
3▼ 2Qwen3.6 PlusClosedAlibaba50.0$1.1533.0 s
4▼ 2MiMo-V2-ProClosedXiaomi49.2———
5▼ 2GLM-5-TurboClosedZ AI46.8———
6▼ 2MiMo-V2-Omni-0327ClosedXiaomi · 1 more variant44.9———
7▼ 2GLM 5V Turbo (Reasoning)ClosedZ AI42.9———
8▼ 2Qwen3 Max ThinkingClosedAlibaba · 1 more variant39.9$2.4383.8 s
9▼ 2Qwen3.5 Omni PlusClosedAlibaba38.6$1.5522.4 s
10▼ 2Step 3.5 Flash 2603ClosedStepFun38.5$0.0001501.2 s
11▼ 2Doubao Seed CodeClosedByteDance Seed33.5———
12▼ 2Qwen3 MaxClosedAlibaba · 1 more variant31.4$2.4333.1 s
13▼ 2ERNIE 5.0 Thinking PreviewClosedBaidu29.1———
14▼ 2Qwen3.5 Omni FlashClosedAlibaba25.9$0.281642.0 s
15▼ 2Qwen2.5 MaxClosedAlibaba16.3$2.8463.3 s
16▼ 2Qwen2.5 TurboClosedAlibaba12.0$0.088632.4 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 “—”.