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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▲ 1muse-spark-1.1ClosedMeta1,491±520,242—
9Newgemini-3.7-flash-highClosedGoogle1,490±85,718—
10—muse-sparkClosedMeta1,488±613,584—
11▼ 3claude-opus-5-maxClosedAnthropic1,487±613,403—
12▼ 1gemini-3.1-pro-previewClosedGoogle1,486±399,182—
13▼ 1gemini-3-proClosedGoogle1,485±441,491—
14▲ 2gpt-5.6-sol-xhighClosedOpenAI1,482±519,541—
15—gpt-5.5-highClosedOpenAI1,482±459,545—
16▼ 2claude-opus-4-8-highClosedAnthropic1,482±444,676—
17▼ 4gemini-3.6-flash-highClosedGoogle1,481±518,018—
18▼ 1gemini-3.5-flash-highClosedGoogle1,478±530,004—
19—gpt-5.4-highClosedOpenAI1,476±460,708—
20▼ 2gpt-5.5ClosedOpenAI1,476±460,896—
21▼ 1gpt-5.2-chat-latest-20260210ClosedOpenAI1,476±434,339—
22—grok-4.20-beta1ClosedxAI1,475±526,770—
23▼ 2gemini-3.5-flash-mediumClosedGoogle1,474±528,343—
24—gpt-5.5-instantClosedOpenAI1,474±525,863—
25▼ 2claude-opus-4-8ClosedAnthropic1,473±445,331—
26▼ 1gemini-3-flashClosedGoogle · 1 more variant1,473±430,852—
27▼ 1claude-opus-4-5-20251101-high-32kClosedAnthropic1,473±437,198—
28▼ 1claude-sonnet-4-6ClosedAnthropic1,472±466,512—
29▼ 1grok-4.20-beta-0309-reasoningClosedxAI1,472±462,272—
30▲ 1grok-4.5ClosedxAI1,470±522,030—
31▼ 2grok-4.20-multi-agent-beta-0309ClosedxAI1,470±460,864—
32▼ 2claude-opus-4-5-20251101ClosedAnthropic1,469±370,985—
33—gpt-5.4ClosedOpenAI1,466±463,659—
34▼ 2grok-4.1-thinkingClosedxAI · 1 more variant1,466±365,550—
35▼ 1gpt-5.6-terra-xhighClosedOpenAI1,465±520,216—
36—claude-sonnet-5-highClosedAnthropic1,461±527,366—
37▼ 2grok-4.6-highClosedxAI1,461±103,473—
38▼ 1gemini-3.5-flash-liteClosedGoogle1,457±617,985$0.85
39▼ 1claude-sonnet-4-5-20250929-high-32kClosedAnthropic1,456±382,473—
40▼ 1claude-sonnet-4-5-20250929ClosedAnthropic1,455±380,858—
41▼ 1gpt-5.1-highClosedOpenAI1,455±440,945—
42▼ 1gemma-4-31bOpenGoogle1,451±85,899$0.000
43▼ 1gpt-5.6-luna-xhighClosedOpenAI1,451±520,693—
44▼ 1claude-opus-4-1-20250805-thinking-16kClosedAnthropic1,449±350,016—
45▼ 1gpt-5.3-chat-latestClosedOpenAI1,449±432,832—
46▼ 1gpt-5.4-mini-highClosedOpenAI1,448±459,502—
47▼ 1claude-opus-4-1-20250805ClosedAnthropic1,447±377,751—
48▼ 1gemini-2.5-proClosedGoogle1,445±2124,807—
49▼ 1gpt-4.5-preview-2025-02-27ClosedOpenAI1,445±614,547—
50▼ 1chatgpt-4o-latest-20250326ClosedOpenAI1,443±382,766—

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 “—”.