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IFAI

Model rankings

1190 models · 5 boards · 2 sources

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

Best web builder
claude-opus-4-7-thinkingAnthropic1,571Score
Best open model
glm-5.1Z.ai1,534Score
Best from China
glm-5.1Z.ai1,534Score
Most voted
claude-haiku-4-5-20251001Anthropic18,685Votes
Top three by Score
1claude-opus-4-7-thinkingAnthropic1,571
2claude-opus-4-6-thinkingAnthropic1,548
3glm-5.1Z.ai1,534
Top three open models
1glm-5.1Z.ai · #3 overall1,534
2kimi-k2.6Moonshot AI · #5 overall1,526
3mimo-v2.5-proXiaomi · #9 overall1,475
This week's changes
Grok 4.3Intelligence · #8New
mimo-v2.5-proCoding · #9New
gpt-5.5 (codex-harness)Coding · #15New
RankChangeModelScore95% intervalVotesPrice $/M
1—claude-opus-4-7-thinkingClosedAnthropic · 1 more variant1,571±132,490—
2—claude-opus-4-6-thinkingClosedAnthropic · 1 more variant1,548±95,750—
3—claude-sonnet-4-6ClosedAnthropic1,527±88,709—
4—muse-sparkClosedMeta1,509±161,635—
5Newgpt-5.5-high (codex-harness)ClosedOpenAI1,492±142,126—
6▼ 1claude-opus-4-5-20251101-thinking-32kClosedAnthropic1,491±713,065—
7▼ 1claude-opus-4-5-20251101ClosedAnthropic1,467±615,309—
8—gpt-5.4-high (codex-harness)ClosedOpenAI1,457±171,482—
9▼ 2gemini-3.1-pro-previewClosedGoogle1,453±87,813—
10Newgpt-5.5 (codex-harness)ClosedOpenAI1,447±141,879—
11▼ 2gemini-3-proClosedGoogle1,438±717,173—
12▼ 2gpt-5.4-medium (codex-harness)ClosedOpenAI1,437±161,448—
13▼ 2gemini-3-flashClosedGoogle · 1 more variant1,437±713,282—
14Newgrok-4.3ClosedxAI1,408±181,048—
15▼ 3gpt-5.3-codex (codex-harness)ClosedOpenAI1,407±122,965—
16▼ 3gpt-5.2ClosedOpenAI1,404±171,459—
17▼ 2gpt-5.4-mini-highClosedOpenAI1,400±113,410—
18▼ 4grok-4.20-beta-0309-reasoningClosedxAI1,399±95,083—
19▼ 3gpt-5-mediumClosedOpenAI1,393±133,755—
20▼ 3gpt-5.1-mediumClosedOpenAI1,391±96,124—
21▼ 3claude-sonnet-4-5-20250929-thinking-32kClosedAnthropic1,388±715,741—
22▼ 3claude-sonnet-4-5-20250929ClosedAnthropic1,386±618,409—
23▼ 3claude-opus-4-1-20250805ClosedAnthropic1,385±98,572—
24▼ 3gpt-5.1ClosedOpenAI1,339±712,871—
25▼ 3gpt-5.2-codexClosedOpenAI1,335±87,761—
26▼ 3gpt-5.1-codexClosedOpenAI1,329±106,229—
27▼ 3claude-haiku-4-5-20251001ClosedAnthropic1,317±618,685$2.0
28▼ 3gpt-5.1-codex-miniClosedOpenAI1,239±171,444—
29▼ 3gemini-3.1-flash-lite-previewClosedGoogle1,238±97,106$0.56
30▼ 3grok-4-1-fast-reasoningClosedxAI1,234±96,915—
31▼ 3grok-4.1-thinkingClosedxAI1,207±201,210—
32▼ 3gemini-2.5-proClosedGoogle1,203±133,300—
33▼ 3mercury-2ClosedInception1,165±23947—
34▼ 3grok-4-fast-reasoningClosedxAI1,149±23936—
35▼ 3grok-code-fast-1ClosedxAI1,139±22984—

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 “—”.