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Model rankings

1512 models · 5 boards · 2 sources

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Week of September 21, 2026
November 2, 202641 changesOctober 26, 20269 changesOctober 19, 2026247 changesOctober 12, 2026127 changesOctober 5, 202634 changesSeptember 28, 202617 changesSeptember 21, 2026115 changesSeptember 14, 2026174 changesSeptember 7, 2026144 changesAugust 31, 202620 changesAugust 24, 202615 changesAugust 17, 202633 changes
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Artificial AnalysisIntelligence IndexArenaText arena

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

Smartest
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)Anthropic53.4Intelligence
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 by Intelligence
1Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)Anthropic53.4
2GPT-6 Astra (max)OpenAI52.7
3Claude Opus 5 (Adaptive Reasoning, Max Effort)Anthropic50.8
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
Gemini 3.8 Flash-Lite TTSSpeech · #6New
AllOpenClosed
All regionsUSChina
One row per modelAll variants
SortIntelligenceValueSpeedLowest price
RankChangeModelIntelligencePrice $/MSpeed tok/sFirst token
1—Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)ClosedAnthropic53.4$2069242 s
2—Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)ClosedAnthropic53.2$2063163 s
3—GPT-6 Astra (max)ClosedOpenAI52.7$2069258 s
4—GPT-6 Astra (xhigh)ClosedOpenAI52.4$2063121 s
5—Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)ClosedAnthropic51.2$205817 s
6—GPT-6 Astra (high)ClosedOpenAI50.9$206332 s
7—Claude Opus 5 (Adaptive Reasoning, Max Effort)ClosedAnthropic50.8$106154 s
8▲ 2Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)ClosedAnthropic49.7$105618 s
9▼ 1Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)ClosedAnthropic49.6$2065108 s
10▼ 1GPT-6 Astra (medium)ClosedOpenAI49.6$20625.3 s
11—Claude Fable 5.1 (Adaptive Reasoning, Medium Effort, Default Fallback)ClosedAnthropic48.9$20578.4 s
12—Claude Opus 5 (Adaptive Reasoning, High Effort)ClosedAnthropic48.1$105913 s
13—Muse Spark 1.3 (max)ClosedMeta48.1$2.024124 s
14—GPT-5.6 Sol (max)ClosedOpenAI47.0$8.069119 s
15—Claude Fable 5.1 (Adaptive Reasoning, Low Effort, Default Fallback)ClosedAnthropic46.8$20558.2 s
16—GPT-6 Astra (low)ClosedOpenAI45.8$20622.5 s
17NewQwen3.8 Max (0902)ClosedAlibaba45.4$3.0373.0 s
18▼ 1Muse Spark 1.3 (xhigh)ClosedMeta45.1$2.029322 s
19▼ 1Claude Opus 5 (Adaptive Reasoning, Medium Effort)ClosedAnthropic44.8$10594.0 s
20▼ 1Grok 4.6 (high)ClosedSpaceXAI44.3$3.06339 s
21▼ 1Grok 4.6 (xhigh)ClosedSpaceXAI44.2$3.06344 s
22▼ 1GPT-5.6 Sol (xhigh)ClosedOpenAI44.0$8.06838 s
23NewStep 5 PreviewClosedStepFun43.7$1.41003.0 s
24▼ 2Grok 4.6 (medium)ClosedSpaceXAI42.8$3.06136 s
25▼ 2GPT-5.6 Sol (high)ClosedOpenAI42.3$8.0708.8 s
26▼ 2GPT-5.6 Terra (max)ClosedOpenAI42.1$4.5101200 s
27▼ 2Claude Opus 4.8 (Adaptive Reasoning, Max Effort)ClosedAnthropic41.8$105828 s
28▼ 2Gemini 3.8 Flash (high)ClosedGoogle40.9$1.533126 s
29▼ 2Claude Opus 4.7 (Adaptive Reasoning, Max Effort)ClosedAnthropic40.7$105124 s
30▼ 2Qwen3.8 MaxClosedAlibaba40.2$3.0392.7 s
31▼ 2Gemini 3.8 Flash (medium)ClosedGoogle39.8$1.5——
32—Gemini 3.7 Flash (medium)ClosedGoogle39.6$1.53034.9 s
33▼ 3Muse Spark 1.2 (xhigh)ClosedMeta39.6$2.023414 s
34▼ 3Claude Opus 5 (Adaptive Reasoning, Low Effort)ClosedAnthropic39.4$10623.0 s
35▼ 2GPT-5.6 Sol (medium)ClosedOpenAI39.2$8.0655.2 s
36▼ 2Gemini 3.7 Flash (high)ClosedGoogle39.1$1.533513 s
37▼ 1GPT-5.4 (xhigh)ClosedOpenAI39.0$5.6140144 s
38▼ 3Grok 4.5 (high)ClosedSpaceXAI38.8$3.0627.1 s
39▼ 2GPT-5.5 (xhigh)ClosedOpenAI38.4$1111165 s
40▼ 2Claude Sonnet 5 (Adaptive Reasoning, Max Effort)ClosedAnthropic38.2$4.076132 s
41▼ 2GPT-5.6 Terra (xhigh)ClosedOpenAI38.0$4.59615 s
42▼ 2GPT-5.6 Luna (max)ClosedOpenAI37.3$0.45167127 s
43▼ 2GPT-5.5 (high)ClosedOpenAI37.0$1110416 s
44▼ 2Gemini 3.7 Flash (low)ClosedGoogle36.9$1.53180.7 s
45▼ 2Agnes 3.0 FlashClosedSapiens AI35.5$0.075——
46▼ 1Agnes 2.5 Pro BetaClosedSapiens AI35.2$0.15——
47▼ 3Grok 4.6 (low)ClosedSpaceXAI35.1$3.0577.7 s
48▼ 2DeepSeek V4 Flash Vision (Reasoning, Max Effort)ClosedDeepSeek34.8$0.662361.1 s
49▼ 2GPT-5.6 Luna (xhigh)ClosedOpenAI34.6$0.4516032 s
50▼ 2Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort)ClosedAnthropic34.4$4.07234 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 “—”.