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IFAI

Model rankings

1492 models · 5 boards · 2 sources

Artificial AnalysisIntelligence IndexArenaText arena

Text arena · Anonymous head-to-head votes · Published September 13, 2026

Most preferred
claude-fable-5Anthropic1,506Score
Best open model
kimi-k3-maxMoonshot AI1,485Score
Best from China
kimi-k3-maxMoonshot AI1,485Score
Most voted
claude-3-opus-20240229Anthropic194,909Votes
Top three by Score
1claude-fable-5Anthropic1,506
2claude-opus-4-6-highAnthropic1,505
3claude-opus-4-7-highAnthropic1,502
Top three open models
1kimi-k3-maxMoonshot AI · #17 overall1,485
2glm-5.3-maxZ.ai · #19 overall1,483
3glm-5.3-flashZ.ai · #29 overall1,475
This week's changes
GPT-6 Astra (max)Intelligence · #2New
MAI-Image-2.6Image · #2New
Realtime TTS-2Speech · #2New
Muse Spark 1.3 (max)Intelligence · #5New
RankChangeModelScore95% intervalVotesPrice $/M
1—claude-fable-5ClosedAnthropic1,506±530,057—
2—claude-opus-4-6-highClosedAnthropic1,505±471,993—
3▲ 1claude-opus-4-7-highClosedAnthropic1,502±460,002—
4▲ 1muse-spark-1.2 (xHigh)ClosedMeta1,500±113,227—
5▼ 2claude-fable-5.1-maxClosedAnthropic1,498±85,783—
6—claude-opus-4-6ClosedAnthropic1,497±375,878—
7—claude-opus-4-7ClosedAnthropic1,494±461,128—
8Newmuse-spark-1.3-maxClosedMeta1,493±94,723—
9▼ 1gemini-3.8-flash-highClosedGoogle1,493±95,076—
10▼ 1claude-opus-5-highClosedAnthropic1,493±442,617—
11▼ 1muse-spark-1.1ClosedMeta1,493±527,615—
12▼ 1gemini-3.7-flash-highClosedGoogle1,490±85,640—
13—muse-sparkClosedMeta1,488±613,565—
14—claude-opus-5-maxClosedAnthropic1,487±520,706—
15—gemini-3.1-pro-previewClosedGoogle1,487±3106,951—
16—gemini-3-proClosedGoogle1,485±440,654—
17▼ 5kimi-k3-maxOpenMoonshot AI1,485±520,987—
18▼ 1gpt-5.6-sol-xhighClosedOpenAI1,483±527,069—
19▲ 1glm-5.3-maxOpenZ.ai1,483±610,960—
20▼ 1gpt-5.5-highClosedOpenAI1,482±464,924—
21▼ 3claude-opus-4-8-highClosedAnthropic1,481±452,535—
22—qwen3.8-maxClosedAlibaba1,481±616,670$3.0
23▼ 2gemini-3.6-flash-highClosedGoogle1,480±526,445—
24Newgpt-6-astra-maxClosedOpenAI1,480±122,693—
25▼ 2gemini-3.5-flash-highClosedGoogle1,478±438,257—
26▼ 1gpt-5.4-highClosedOpenAI1,476±460,537—
27▼ 1gpt-5.2-chat-latest-20260210ClosedOpenAI1,476±434,176—
28▼ 4gpt-5.5ClosedOpenAI1,476±466,317—
29—glm-5.3-flashOpenZ.ai1,475±710,038$0.24
30▼ 2grok-4.20-beta1ClosedxAI1,475±526,599—
31▼ 4gemini-3.5-flash-mediumClosedGoogle1,474±436,627—
32▼ 1gpt-5.5-instantClosedOpenAI1,474±525,850—
33▼ 3gemini-3-flashClosedGoogle1,474±430,225—
34▼ 2qwen3.7-max-previewClosedAlibaba1,473±103,705—
35▼ 2claude-opus-4-8ClosedAnthropic1,473±453,446—
36▼ 2claude-opus-4-5-20251101-high-32kClosedAnthropic1,473±436,239—
37▼ 2claude-sonnet-4-6ClosedAnthropic1,473±466,208—
38▼ 1glm-5.2-maxOpenZ.ai1,472±536,798—
39▼ 3grok-4.20-beta-0309-reasoningClosedxAI1,471±462,168—
40▼ 1grok-4.20-multi-agent-beta-0309ClosedxAI1,470±460,777—
41▼ 1claude-opus-4-5-20251101ClosedAnthropic1,469±370,013—
42▼ 4grok-4.5ClosedxAI1,468±530,103—
43▼ 1ernie-5.1ClosedBaidu1,468±537,058—
44▼ 3mimo-v2.5-proOpenXiaomi1,467±460,919—
45▼ 2gpt-5.6-terra-xhighClosedOpenAI1,466±528,119—
46—gpt-5.4ClosedOpenAI1,466±463,526—
47▼ 3glm-5.1OpenZ.ai1,466±448,901—
48▼ 1grok-4.1-thinkingClosedxAI1,465±364,152—
49▼ 4qwen3.5-max-previewClosedAlibaba1,465±521,476—
50▲ 1deepseek-v4-pro-high-20260813OpenDeepSeek1,463±79,008—

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 “—”.