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IFAI

Model rankings

1512 models · 5 boards · 2 sources

WebDev arena · People compare web pages built by two models · Published September 25, 2026

Best web builder
claude-opus-5.5-maxAnthropic1,827Score
Best open model
kimi-k3-maxMoonshot AI1,660Score
Best from China
qwen3.8-maxAlibaba1,672Score
Most voted
claude-haiku-4-5-20251001Anthropic29,211Votes
Top three by Score
1claude-opus-5.5-maxAnthropic1,827
2gpt-6-astra-maxOpenAI1,792
3claude-fable-5.1-maxAnthropic1,751
Top three open models
1kimi-k3-maxMoonshot AI · #8 overall1,660
2qwen3.8-flash-nextAlibaba · #10 overall1,636
3hy4-previewTencent · #11 overall1,631
This week's changes
claude-opus-5.5-maxCoding · #1New
Gemini 3.8 Flash TTSSpeech · #2New
Grok Imagine Image 2.0Image · #4New
gpt-6-sol-maxCoding · #5New
RankChangeModelScore95% intervalVotesPrice $/M
1—qwen3.8-maxClosedAlibaba · 1 more variant1,672±123,469$3.0
2Newstep-5-preview-highClosedStepFun1,565±171,247—
3▼ 1seed-2.1-pro-previewClosedByteDance1,518±612,270—
4▼ 1qwen3.7-max-20260517ClosedAlibaba1,515±78,931—
5▼ 1qwen3.6-max-previewClosedAlibaba1,481±132,713—
6▼ 1qwen3.6-plusClosedAlibaba1,461±618,718—
7▼ 1mimo-v2-proClosedXiaomi1,433±87,247—
8▼ 1glm-5v-turboClosedZ.ai1,400±132,426—
9▼ 1qwen3.5-flashClosedAlibaba1,243±201,329—

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 “—”.