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IFAI

Model rankings

1432 models · 5 boards · 2 sources

Artificial AnalysisIntelligence IndexArenaText arena

Text arena · Anonymous head-to-head votes · Published August 21, 2026

Most preferred
claude-fable-5Anthropic1,508Score
Best open model
kimi-k3-maxMoonshot AI1,489Score
Best from China
kimi-k3-maxMoonshot AI1,489Score
Most voted
claude-3-opus-20240229Anthropic194,909Votes
Top three by Score
1claude-fable-5Anthropic1,508
2claude-opus-4-6-highAnthropic1,504
3claude-opus-4-7-highAnthropic1,502
Top three open models
1kimi-k3-maxMoonshot AI · #10 overall1,489
2glm-5.3-maxZ.ai · #13 overall1,487
3glm-5.2-maxZ.ai · #34 overall1,470
This week's changes
Sonic 3.6Speech · #1New
Grok 4.6 (high)Intelligence · #4New
Qwen3.8 2.4T A95BIntelligence · #7New
glm-5.3-maxCoding · #8New
Qwen-Image-3.0-ProImage · #8New
RankChangeModelScore95% intervalVotesPrice $/M
1—claude-fable-5ClosedAnthropic1,508±524,331—
2—claude-opus-4-6-highClosedAnthropic1,504±472,359—
3—claude-opus-4-7-highClosedAnthropic1,502±460,203—
4—muse-spark-1.2 (xHigh)ClosedMeta1,498±103,257—
5—claude-opus-4-6ClosedAnthropic1,497±376,362—
6—claude-opus-4-7ClosedAnthropic1,494±461,304—
7—claude-opus-5-highClosedAnthropic1,493±527,610—
8▲ 2muse-spark-1.1ClosedMeta1,491±520,242—
9Newgemini-3.7-flash-highClosedGoogle1,490±85,718—
10▲ 1kimi-k3-maxOpenMoonshot AI1,489±615,054—
11▲ 1muse-sparkClosedMeta1,488±613,584—
12▼ 4claude-opus-5-maxClosedAnthropic1,487±613,403—
13Newglm-5.3-maxOpenZ.ai1,487±103,751—
14▼ 1gemini-3.1-pro-previewClosedGoogle1,486±399,182—
15▼ 1gemini-3-proClosedGoogle1,485±441,491—
16▲ 2gpt-5.6-sol-xhighClosedOpenAI1,482±519,541—
17—gpt-5.5-highClosedOpenAI1,482±459,545—
18▼ 2claude-opus-4-8-highClosedAnthropic1,482±444,676—
19▼ 10qwen3.8-maxClosedAlibaba1,481±79,955$3.0
20▼ 5gemini-3.6-flash-highClosedGoogle1,481±518,018—
21▼ 2gemini-3.5-flash-highClosedGoogle1,478±530,004—
22▼ 1gpt-5.4-highClosedOpenAI1,476±460,708—
23▼ 3gpt-5.5ClosedOpenAI1,476±460,896—
24▼ 2gpt-5.2-chat-latest-20260210ClosedOpenAI1,476±434,339—
25▼ 1grok-4.20-beta1ClosedxAI1,475±526,770—
26▼ 3gemini-3.5-flash-mediumClosedGoogle1,474±528,343—
27▼ 2qwen3.7-max-previewClosedAlibaba1,474±103,712—
28▼ 1gpt-5.5-instantClosedOpenAI1,474±525,863—
29▼ 3claude-opus-4-8ClosedAnthropic1,473±445,331—
30▼ 2gemini-3-flashClosedGoogle1,473±430,852—
31▼ 2claude-opus-4-5-20251101-high-32kClosedAnthropic1,473±437,198—
32▼ 2claude-sonnet-4-6ClosedAnthropic1,472±466,512—
33▼ 2grok-4.20-beta-0309-reasoningClosedxAI1,472±462,272—
34▼ 2glm-5.2-maxOpenZ.ai1,470±530,637—
35—grok-4.5ClosedxAI1,470±522,030—
36▼ 3grok-4.20-multi-agent-beta-0309ClosedxAI1,470±460,864—
37▼ 3claude-opus-4-5-20251101ClosedAnthropic1,469±370,985—
38▼ 2ernie-5.1ClosedBaidu1,468±537,137—
39▼ 1glm-5.1OpenZ.ai1,468±442,267—
40▼ 3mimo-v2.5-proOpenXiaomi1,468±454,177—
41—gpt-5.4ClosedOpenAI1,466±463,659—
42▼ 2grok-4.1-thinkingClosedxAI1,466±365,550—
43▼ 4qwen3.5-max-previewClosedAlibaba1,465±521,484—
44▼ 2gpt-5.6-terra-xhighClosedOpenAI1,465±520,216—
45▼ 1claude-sonnet-5-highClosedAnthropic1,461±527,366—
46▼ 3grok-4.6-highClosedxAI1,461±103,473—
47▼ 2kimi-k2.6OpenMoonshot AI1,461±537,543—
48▼ 2qwen3.6-max-previewClosedAlibaba1,460±85,196—
49▼ 2grok-4.1ClosedxAI1,459±367,767—
50Newdeepseek-v4-pro-high-20260813OpenDeepSeek1,459±103,621—

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 “—”.