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IFAI

Model rankings

1160 models · 5 boards · 2 sources

WebDev arena · People compare web pages built by two models · Published April 23, 2026

Best web builder
claude-opus-4-7-thinkingAnthropic1,572Score
Best open model
glm-5.1Z.ai1,534Score
Best from China
glm-5.1Z.ai1,534Score
Most voted
claude-sonnet-4-5-20250929Anthropic18,382Votes
Top three by Score
1claude-opus-4-7-thinkingAnthropic1,572
2claude-opus-4-6-thinkingAnthropic1,552
3glm-5.1Z.ai1,534
Top three open models
1glm-5.1Z.ai · #3 overall1,534
2kimi-k2.6Moonshot AI · #4 overall1,529
3deepseek-v4-pro-thinkingDeepSeek · #12 overall1,456
This week's changes
GPT-5.5 (xhigh)Intelligence · #1New
GPT Image 2 (high)Image · #1New
Realtime TTS 1.5 MaxSpeech · #1New
kimi-k2.6Coding · #4New
RankChangeModelScore95% intervalVotesPrice $/M
1—qwen3.6-plusClosedAlibaba1,471±122,854—
2—mimo-v2-proClosedXiaomi1,426±104,021—
3—qwen3.5-flashClosedAlibaba1,236±171,560—

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 “—”.