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IFAI

Model rankings

1512 models · 5 boards · 2 sources

Artificial AnalysisIntelligence IndexArenaText arena

Intelligence Index · A composite of several evaluations · Updated September 21, 2026

Best open model
GLM-5.3 (max)Z AI44.8Intelligence
Best value
Agnes 3.0 FlashSapiens AI473 pts/$Value
Best from China
Qwen3.8 Max (0902)Alibaba45.4Intelligence
Top three open models
1GLM-5.3 (max)Z AI · #8 overall44.8
2Kimi K3 (max)Kimi · #11 overall43.6
3GLM 5.3 FlashZ AI · #13 overall41.8
This week's changes
claude-opus-5.5-maxCoding · #1New
Gemini 3.8 Flash TTSSpeech · #2New
Grok Imagine Image 2.0Image · #4New
gpt-6-sol-maxCoding · #5New
RankChangeModelIntelligencePrice $/MSpeed tok/sFirst token
1—Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)ClosedAnthropic · 4 more variants53.4$2069242 s
2—GPT-6 Astra (max)ClosedOpenAI · 4 more variants52.7$2069258 s
3—Claude Opus 5 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 4 more variants50.8$106154 s
4—Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)ClosedAnthropic49.6$2065108 s
5—Muse Spark 1.3 (max)ClosedMeta · 1 more variant48.1$2.024124 s
6—GPT-5.6 Sol (max)ClosedOpenAI · 5 more variants47.0$8.069119 s
7—GPT-5.6 Terra (max)ClosedOpenAI · 5 more variants42.1$4.5101200 s
8—Claude Opus 4.8 (Adaptive Reasoning, Max Effort)ClosedAnthropic41.8$105828 s
9—Gemini 3.8 Flash (high)ClosedGoogle · 2 more variants40.9$1.533126 s
10—Claude Opus 4.7 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 1 more variant40.7$105124 s
11▲ 1Gemini 3.7 Flash (medium)ClosedGoogle · 2 more variants39.6$1.53034.9 s
12▼ 1Muse Spark 1.2 (xhigh)ClosedMeta39.6$2.023414 s
13—GPT-5.4 (xhigh)ClosedOpenAI · 2 more variants39.0$5.6140144 s
14—GPT-5.5 (xhigh)ClosedOpenAI · 4 more variants38.4$1111165 s
15—Claude Sonnet 5 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 5 more variants38.2$4.076132 s
16—GPT-5.6 Luna (max)ClosedOpenAI · 5 more variants37.3$0.45167127 s
17—Gemini 3.6 Flash (high)ClosedGoogle34.0$1.522333 s
18—Muse Spark 1.1 (xhigh)ClosedMeta33.7$2.0——
19—Gemini 3.5 Flash (medium)ClosedGoogle · 2 more variants33.6$3.424318 s
20—GPT-5.3 Codex (xhigh)ClosedOpenAI32.5$4.817573 s
21—Claude Opus 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 1 more variant31.9$104122 s
22—Muse SparkClosedMeta31.3———
23▲ 1GPT-5.2 (xhigh)ClosedOpenAI · 2 more variants30.4$4.893141 s
24▼ 1Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 2 more variants30.1$6.042152 s
25—Gemini 3.1 Pro PreviewClosedGoogle29.7$4.512464 s
26—Claude Opus 4.5 (Reasoning)ClosedAnthropic · 1 more variant29.1$104812 s
27—GPT-5.2 Codex (xhigh)ClosedOpenAI28.5$4.8——
28—Gemini 3 Pro Preview (high)ClosedGoogle · 1 more variant28.0$4.5——
29▲ 1Gemini 3 Flash Preview (Reasoning)ClosedGoogle · 1 more variant26.3$1.12195.5 s
30▼ 1GPT-5.5 Instant (June 2026)ClosedOpenAI · 1 more variant26.0$111571.1 s
31—GPT-5 Codex (high)ClosedOpenAI24.9$3.4——
32—GPT-5.1 (high)ClosedOpenAI · 1 more variant24.7$3.413227 s
33—GPT-5.4 mini (xhigh)ClosedOpenAI · 2 more variants24.1$1.724593 s
34—GPT-5.1 Codex (high)ClosedOpenAI23.7$3.4——
35—GPT-5 (high)ClosedOpenAI · 4 more variants23.0$3.410857 s
36—Claude 4.1 Opus (Reasoning)ClosedAnthropic · 1 more variant22.8$30——
37—Gemini 3.5 Flash-LiteClosedGoogle22.2$0.8540910 s
38—o3-proClosedOpenAI21.9$35——
39—GPT-5.4 nano (xhigh)ClosedOpenAI · 2 more variants20.7$0.4618674 s
40—Claude 4.5 Sonnet (Reasoning)ClosedAnthropic · 1 more variant20.7$6.04211 s
41—Claude 4 Opus (Reasoning)ClosedAnthropic · 1 more variant20.6$30——
42—GPT-5 mini (medium)ClosedOpenAI · 2 more variants20.6$0.6910313 s
43—GPT-5.1 Codex mini (high)ClosedOpenAI20.4$0.69——
44—o3ClosedOpenAI20.2$3.51406.1 s
45—Claude 4 Sonnet (Reasoning)ClosedAnthropic · 1 more variant18.9———
46—Claude 3.7 Sonnet (Reasoning)ClosedAnthropic · 1 more variant17.7———
47—Claude 4.5 Haiku (Reasoning)ClosedAnthropic · 1 more variant16.9$2.09016 s
48▲ 1o4-mini (high)ClosedOpenAI16.7$1.915827 s
49▼ 1Gemini 2.5 ProClosedGoogle16.1$3.414124 s
50—Gemini 3.1 Flash-LiteClosedGoogle15.6$0.563575.5 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 “—”.