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IFAI

Model rankings

1539 models · 5 boards · 2 sources

WebDev arena · People compare web pages built by two models · Published October 1, 2026

Best web builder
claude-opus-5.5-maxAnthropic1,815Score
Best open model
kimi-k3-maxMoonshot AI1,658Score
Best from China
qwen3.8-maxAlibaba1,671Score
Most voted
claude-haiku-4-5-20251001Anthropic29,184Votes
Top three by Score
1claude-opus-5.5-maxAnthropic1,815
2gpt-6-astra-maxOpenAI1,788
3claude-sonnet-5.5-xhighAnthropic1,786
Top three open models
1kimi-k3-maxMoonshot AI · #12 overall1,658
2qwen3.8-flash-nextAlibaba · #15 overall1,637
3hy4-previewTencent · #16 overall1,633
This week's changes
Eleven v4Speech · #1New
Qwen-Audio-3.1-TTS-PlusSpeech · #2New
claude-sonnet-5.5-xhighCoding · #3New
gpt-6.1-sol-maxCoding · #4New
RankChangeModelScore95% intervalVotesPrice $/M
1—inklingOpenThinking Machines1,413±613,705$1.8
2—Inkling SmallOpenThinking Machines1,408±95,421$0.52
3—gemma-4-31bOpenGoogle1,365±613,325$0.000
4—gemma-4-26b-a4bOpenGoogle1,358±171,502—
5—muse-glimmerOpenMeta1,355±161,663$0.52
6—granite-4.1-8bOpenIBM1,190±181,786—

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 “—”.