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IFAI

Model rankings

1542 models · 5 boards · 2 sources

WebDev arena · People compare web pages built by two models · Published October 18, 2026

Best web builder
Claude Opus 5.5 (Max)Anthropic1,806Score
Best open model
Best from China
Qwen3.8-Max (0902)Alibaba1,674Score
Most voted
Claude Haiku 4.5 (20251001)Anthropic29,060Votes
Top three by Score
1Claude Opus 5.5 (Max)Anthropic1,806
2GPT-6 Astra (Max)OpenAI1,776
Top three open models
1DeepSeek-V4.1-Flash-20261017 (Max)DeepSeek · #10 overall1,670
2Kimi K3 (Max)Moonshot AI · #12 overall1,655
3MiMo-V2.6-FlashXiaomi · #15 overall1,633
This week's changes
Claude Opus 5.5 (Max)Coding · #1New
Eleven v4 TurboSpeech · #1New
GPT-6 Astra (Max)Coding · #2New
GPT-6.1 Sol (Max)Coding · #4New
RankChangeModelScore95% intervalVotesPrice $/M
1—Qwen3.8-Max (0902)ClosedAlibaba · 1 more variant1,674±714,199$3.0
2NewStep 5 Preview (High)ClosedStepFun1,565±104,603$1.4
3NewSeed2.1 Pro PreviewClosedByteDance1,520±615,037—
4—Qwen3.7-Max (20260517)ClosedAlibaba1,516±78,881—
5NewQwen3.6-Max-PreviewClosedAlibaba1,482±132,708—
6—Qwen3.6-PlusClosedAlibaba1,462±618,588—
7—MiMo-V2-ProClosedXiaomi1,434±87,250—
8—GLM-5V-TurboClosedZ.ai1,402±132,403—
9—Qwen3.5-FlashClosedAlibaba1,244±201,328—

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 “—”.