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IFAI

Model rankings

1501 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
Agnes 3.0 FlashIntelligence · #27New
Ling-3.0-flash-VLIntelligence · #77New
RankChangeModelScore95% intervalVotesPrice $/M
1—claude-fable-5ClosedAnthropic1,506±530,057—
2—claude-opus-4-6-highClosedAnthropic1,505±471,993—
3—claude-opus-4-7-highClosedAnthropic1,502±460,002—
4—muse-spark-1.2 (xHigh)ClosedMeta1,500±113,227—
5—claude-fable-5.1-maxClosedAnthropic1,498±85,783—
6—claude-opus-4-6ClosedAnthropic1,497±375,878—
7—claude-opus-4-7ClosedAnthropic1,494±461,128—
8—muse-spark-1.3-maxClosedMeta1,493±94,723—
9—gemini-3.8-flash-highClosedGoogle1,493±95,076—
10—claude-opus-5-highClosedAnthropic1,493±442,617—
11—muse-spark-1.1ClosedMeta1,493±527,615—
12—gemini-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—gpt-5.6-sol-xhighClosedOpenAI1,483±527,069—
18—gpt-5.5-highClosedOpenAI1,482±464,924—
19—claude-opus-4-8-highClosedAnthropic1,481±452,535—
20—gemini-3.6-flash-highClosedGoogle1,480±526,445—
21—gpt-6-astra-maxClosedOpenAI1,480±122,693—
22—gemini-3.5-flash-highClosedGoogle1,478±438,257—
23—gpt-5.4-highClosedOpenAI1,476±460,537—
24—gpt-5.2-chat-latest-20260210ClosedOpenAI1,476±434,176—
25—gpt-5.5ClosedOpenAI1,476±466,317—
26—grok-4.20-beta1ClosedxAI1,475±526,599—
27—gemini-3.5-flash-mediumClosedGoogle1,474±436,627—
28—gpt-5.5-instantClosedOpenAI1,474±525,850—
29—gemini-3-flashClosedGoogle · 1 more variant1,474±430,225—
30—claude-opus-4-8ClosedAnthropic1,473±453,446—
31—claude-opus-4-5-20251101-high-32kClosedAnthropic1,473±436,239—
32—claude-sonnet-4-6ClosedAnthropic1,473±466,208—
33—grok-4.20-beta-0309-reasoningClosedxAI1,471±462,168—
34—grok-4.20-multi-agent-beta-0309ClosedxAI1,470±460,777—
35—claude-opus-4-5-20251101ClosedAnthropic1,469±370,013—
36—grok-4.5ClosedxAI1,468±530,103—
37—gpt-5.6-terra-xhighClosedOpenAI1,466±528,119—
38—gpt-5.4ClosedOpenAI1,466±463,526—
39—grok-4.1-thinkingClosedxAI · 1 more variant1,465±364,152—
40—claude-sonnet-5-highClosedAnthropic1,461±535,301—
41—claude-sonnet-4-5-20250929-high-32kClosedAnthropic1,456±380,980—
42—gemini-3.5-flash-liteClosedGoogle1,456±526,165$0.85
43—grok-4.6-highClosedxAI1,456±615,521—
44—gpt-5.1-highClosedOpenAI1,455±440,284—
45—claude-sonnet-4-5-20250929ClosedAnthropic1,455±379,628—
46—gpt-5.6-luna-xhighClosedOpenAI1,452±528,547—
47—gemma-4-31bOpenGoogle1,451±85,894$0.000
48—claude-opus-4-1-20250805-thinking-16kClosedAnthropic1,450±348,811—
49—gpt-5.3-chat-latestClosedOpenAI1,449±432,727—
50—gpt-5.4-mini-highClosedOpenAI1,448±459,387—

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 “—”.