Skip to content
IFAI

Model rankings

1037 models · 5 boards · 2 sources

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

Best web builder
Claude Opus 5.5 (Max)Anthropic1,807Score
Best open model
Best from China
Kimi K3.1 Pro (Max)Moonshot AI1,692Score
Most voted
Claude Haiku 4.5 (20251001)Anthropic29,087Votes
Top three by Score
1Claude Opus 5.5 (Max)Anthropic1,807
2GPT-6 Astra (Max)OpenAI1,774
Top three open models
1DeepSeek-V4.1-Flash-20261017 (Max)DeepSeek · #12 overall1,665
2Kimi K3 (Max)Moonshot AI · #14 overall1,655
3MiMo-V2.6-FlashXiaomi · #17 overall1,635
This week's changes
Muse Wonder Full (Max)Intelligence · #3New
FLUX 3 Max (720p)Video · #4New
Muse Wonder Full (Max)Coding · #6New
Muse Wonder (Max)Intelligence · #7New
Kimi K3.1 Pro (Max)Coding · #7New
RankChangeModelScore95% intervalVotesPrice $/M
1—Claude Opus 5.5 (Max)ClosedAnthropic1,807±133,140$8.0
2—GPT-6 Astra (Max)ClosedOpenAI1,774±106,579$20
3—Claude Sonnet 5.5 (xHigh)ClosedAnthropic · 1 more variant1,769±123,822$4.0
4—GPT-6.1 Sol (Max)ClosedOpenAI1,749±123,469$4.0
5—Claude Fable 5.1 (Max)ClosedAnthropic1,742±98,098$20
6NewMuse Wonder Full (Max)ClosedMeta1,726±142,253—
7▼ 1Claude Opus 5 (Max)ClosedAnthropic · 1 more variant1,691±618,995$10
8▼ 1GPT-6 Sol (Max)ClosedOpenAI1,681±105,008$4.0
9▼ 1Gemini 4 Argon (High)ClosedGoogle1,674±132,729$8.0
10▼ 1Muse Spark 1.3 (Max)ClosedMeta · 1 more variant1,657±89,921$2.0
11▼ 1Muse Wonder (Max)ClosedMeta1,651±132,733$8.0
12▼ 1Grok 4.7 (xHigh)ClosedxAI1,638±95,725$3.0
13▼ 1Claude Fable 5 (High)ClosedAnthropic1,624±616,342—
14▼ 1Grok 4.6 (High)ClosedxAI1,617±711,022$3.0
15▼ 1GPT-5.6 Sol (xHigh, Codex Harness)ClosedOpenAI1,615±618,243—
16▼ 1Gemini 3.7 Flash (High)ClosedGoogle1,590±713,307—
17▼ 1Claude Haiku 5.5 (High)ClosedAnthropic1,586±103,917$0.20
18▼ 1Gemini 3.8 Flash (High)ClosedGoogle1,585±711,405$1.5
19▼ 1GPT-6 Luna (Max)ClosedOpenAI1,579±624,354$0.20
20▼ 1Claude Opus 4.7 (High)ClosedAnthropic · 1 more variant1,558±617,920—
21▼ 1Claude Opus 4.8 (High)ClosedAnthropic · 1 more variant1,556±618,486—
22▼ 1Grok 4.5ClosedxAI1,553±711,083—
23▼ 1Claude Opus 4.6 (High)ClosedAnthropic · 1 more variant1,546±519,404—
24▼ 1Muse Spark 1.1ClosedMeta1,542±87,970—
25▼ 1Claude Sonnet 5 (High)ClosedAnthropic1,541±616,187—
26▼ 1Gemini 3.6 Flash (High)ClosedGoogle1,538±78,758—
27▼ 1Muse Spark 1.2 (xHigh)ClosedMeta1,533±142,163—
28▼ 1Claude Sonnet 4.6ClosedAnthropic1,523±522,852—
29▼ 1GPT-5.6 Terra (xHigh, Codex Harness)ClosedOpenAI1,521±614,450$4.5
30▼ 1GPT-5.6 Luna (xHigh, Codex Harness)ClosedOpenAI1,519±612,575$0.45
31▼ 1GPT-5.5 (xHigh, Codex Harness)ClosedOpenAI · 2 more variants1,512±615,620—
32▼ 1Gemini 3.5 Flash (High)ClosedGoogle · 1 more variant1,499±79,382—
33▼ 1Claude Opus 4.5 (High, 32K, 20251101)ClosedAnthropic · 1 more variant1,494±811,033—
34▼ 1GPT-5.4 (High, Codex Harness)ClosedOpenAI · 2 more variants1,464±191,351—
35▼ 1Gemini 3.1 Pro PreviewClosedGoogle1,447±524,232—
36▼ 1Gemini 3 ProClosedGoogle1,440±814,098—
37▼ 1Gemini 3 FlashClosedGoogle · 1 more variant1,440±910,893—
38▼ 1Gemini 3.5 Flash-LiteClosedGoogle1,434±41237$0.85
39▼ 1GPT-5 (Medium)ClosedOpenAI1,418±163,092—
40▼ 1GPT-5.2ClosedOpenAI1,417±231,082—
41▼ 1GPT-5.3-Codex (Codex Harness)ClosedOpenAI · 1 more variant1,407±142,641—
42▼ 1GPT-5.4 mini (High)ClosedOpenAI1,397±711,959—
43▼ 1GPT-5.1 (Medium)ClosedOpenAI · 1 more variant1,396±124,914—
44▼ 1Claude Sonnet 4.5 (High, 32K, 20250929)ClosedAnthropic · 1 more variant1,394±813,255—
45▼ 1Claude Opus 4.1 (20250805)ClosedAnthropic1,391±116,929—
46▼ 1Grok 4.20 Beta (Reasoning, 0309)ClosedxAI1,375±615,469—
47▼ 1Grok 4.3ClosedxAI1,357±614,970—
48▼ 1GPT-5.2-CodexClosedOpenAI1,339±96,721—
49▼ 1GPT-5.1-CodexClosedOpenAI1,337±125,012—
50▼ 1Claude Haiku 4.5 (20251001)ClosedAnthropic1,330±529,087$2.0

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 “—”.