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Model rankings

1501 models · 5 boards · 2 sources

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Week of September 14, 2026
October 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 changesAugust 10, 2026116 changes
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Artificial AnalysisIntelligence IndexArenaText arena

Intelligence Index · A composite of several evaluations · Updated September 14, 2026

Smartest
Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)Anthropic53.4Intelligence
Best open model
GLM-5.3 (max)Z AI44.9Intelligence
Best value
Agnes 3.0 FlashSapiens AI473 pts/$Value
Best from China
GLM-5.3 (max)Z AI44.9Intelligence
Top three by Intelligence
1Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)Anthropic53.4
2GPT-6 Astra (max)OpenAI52.8
3Claude Opus 5 (Adaptive Reasoning, Max Effort)Anthropic50.7
Top three open models
1GLM-5.3 (max)Z AI · #7 overall44.9
2Kimi K3 (max)Kimi · #9 overall43.8
3GLM-5.3-FlashZ AI · #12 overall41.9
This week's changes
GPT Image 2.5 Flare (max)Image · #1New
GPT Image 2.5 Sunburst (max)Image · #2New
DeepSeek V4.1 Flash (Reasoning, Max Effort)Intelligence · #20New
Agnes 3.0 FlashIntelligence · #27New
Ling-3.0-flash-VLIntelligence · #77New
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)ClosedAnthropic · 4 more variants53.4$2067235 s
2—GPT-6 Astra (max)ClosedOpenAI · 4 more variants52.8$2060321 s
3—Claude Opus 5 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 4 more variants50.7$105353 s
4—Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)ClosedAnthropic49.7$206582 s
5—Muse Spark 1.3 (max)ClosedMeta · 1 more variant48.2$2.024122 s
6—GPT-5.6 Sol (max)ClosedOpenAI · 5 more variants47.1$8.060112 s
7▲ 3GPT-5.6 Terra (max)ClosedOpenAI · 5 more variants42.3$4.5114168 s
8▼ 1Claude Opus 4.8 (Adaptive Reasoning, Max Effort)ClosedAnthropic42.0$105521 s
9▼ 1Gemini 3.8 Flash (high)ClosedGoogle · 2 more variants41.2$1.530518 s
10▲ 4Claude Opus 4.7 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 1 more variant40.7$105018 s
11▼ 2Muse Spark 1.2 (xhigh)ClosedMeta39.8$2.018415 s
12—Gemini 3.7 Flash (medium)ClosedGoogle · 2 more variants39.6$1.53134.4 s
13▲ 3GPT-5.4 (xhigh)ClosedOpenAI · 2 more variants39.0$5.614591 s
14▼ 3GPT-5.5 (xhigh)ClosedOpenAI · 4 more variants38.6$119552 s
15▼ 2Claude Sonnet 5 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 5 more variants38.4$4.076212 s
16▼ 1GPT-5.6 Luna (max)ClosedOpenAI · 5 more variants37.5$0.45120130 s
17▲ 1Gemini 3.6 Flash (high)ClosedGoogle34.3$1.520718 s
18▼ 1Muse Spark 1.1 (xhigh)ClosedMeta34.3$2.0——
19—Gemini 3.5 Flash (medium)ClosedGoogle · 2 more variants33.6$3.424312 s
20▲ 1GPT-5.3 Codex (xhigh)ClosedOpenAI32.5$4.812645 s
21▲ 2Claude Opus 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 1 more variant31.9$104011 s
22▲ 2Muse SparkClosedMeta31.3———
23▼ 3Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)ClosedAnthropic · 2 more variants30.5$6.057125 s
24▲ 1GPT-5.2 (xhigh)ClosedOpenAI · 2 more variants30.4$4.87891 s
25▼ 3Gemini 3.1 Pro PreviewClosedGoogle30.4$4.511525 s
26—Claude Opus 4.5 (Reasoning)ClosedAnthropic · 1 more variant29.1$104612 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▲ 13GPT-5.5 Instant (June 2026)ClosedOpenAI · 1 more variant26.8$111341.2 s
30▲ 3Gemini 3 Flash Preview (Reasoning)ClosedGoogle · 1 more variant26.3$1.12165.9 s
31▼ 2Inkling SmallOpenThinking Machines26.1$0.521672.2 s
32▼ 2Inkling (xhigh)OpenThinking Machines25.5$1.8892.9 s
33▲ 2GPT-5 Codex (high)ClosedOpenAI24.9$3.4——
34▲ 2GPT-5.1 (high)ClosedOpenAI · 1 more variant24.7$3.410723 s
35▼ 4GPT-5.4 mini (xhigh)ClosedOpenAI · 2 more variants24.6$1.7191126 s
36▲ 2GPT-5.1 Codex (high)ClosedOpenAI23.7$3.4——
37▼ 3Nemotron 3 Ultra 550B A55B (Reasoning)OpenNVIDIA23.4$1.12032.3 s
38▲ 2GPT-5 (high)ClosedOpenAI · 4 more variants23.0$3.410654 s
39▲ 2Claude 4.1 Opus (Reasoning)ClosedAnthropic · 1 more variant22.8$30——
40▼ 1Gemini 3.5 Flash-LiteClosedGoogle22.7$0.853627.6 s
41▲ 2o3-proClosedOpenAI21.9$35——
42▼ 10GPT-5.4 nano (xhigh)ClosedOpenAI · 2 more variants21.2$0.4615374 s
43▼ 6Claude 4.5 Sonnet (Reasoning)ClosedAnthropic · 1 more variant21.2$6.0439.4 s
44▲ 1Claude 4 Opus (Reasoning)ClosedAnthropic · 1 more variant20.6$30——
45▲ 1GPT-5 mini (medium)ClosedOpenAI · 2 more variants20.6$0.697518 s
46▲ 1GPT-5.1 Codex mini (high)ClosedOpenAI20.4$0.69——
47▲ 1o3ClosedOpenAI20.2$3.51404.1 s
48▲ 3Claude 4 Sonnet (Reasoning)ClosedAnthropic · 1 more variant18.9$6.0——
49▼ 5Muse Glimmer (high)OpenMeta18.1$0.64891.1 s
50▲ 2Claude 3.7 Sonnet (Reasoning)ClosedAnthropic · 1 more variant17.7———

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 “—”.