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IFAI

Model rankings

866 models · 5 boards · 2 sources

WebDev arena · People compare web pages built by two models · Published November 8, 2026

Best web builder
Claude Opus 5.5 (Max)Anthropic1,818Score
Best open model
Kimi K3.1 Pro (Max)Moonshot AI1,687Score
Best from China
Kimi K3.1 Pro (Max)Moonshot AI1,687Score
Most voted
GPT-6 Luna (Max)OpenAI30,097Votes
Top three by Score
1Claude Opus 5.5 (Max)Anthropic1,818
Top three open models
1Kimi K3.1 Pro (Max)Moonshot AI · #9 overall1,687
2DeepSeek-V4.1-Flash-20261017 (Max)DeepSeek · #14 overall1,664
3Kimi K3 (Max)Moonshot AI · #15 overall1,657
This week's changes
Gemini 4 Carbon (High)Intelligence · #1New
GPT-6.1 Terra (Max)Intelligence · #6New
Fish Audio Drama 3Speech · #6New
P-Video-2-ProVideo · #11New
AssemblyAI-TTS-1Speech · #14New
RankChangeModelScore95% intervalVotesPrice $/M
1—Claude Opus 5.5 (Max)ClosedAnthropic1,818±124,034$8.0
2▲ 1Claude Sonnet 5.5 (xHigh)ClosedAnthropic1,773±105,536$4.0
3▲ 1Gemini 4 Carbon (High)ClosedGoogle1,768±152,130$8.0
4▼ 2GPT-6 Astra (Max)ClosedOpenAI1,767±98,161$20
5▲ 1Claude Fable 5.1 (Max)ClosedAnthropic1,744±89,507$20
6▼ 1GPT-6.1 Sol (Max)ClosedOpenAI1,743±105,283$4.0
7—Muse Wonder Full (Max)ClosedMeta1,724±142,080—
8—Claude Sonnet 5.5 (High)ClosedAnthropic1,713±97,582$4.0
9▲ 1Claude Opus 5 (Max)ClosedAnthropic1,691±619,583$10
10▲ 1Gemini 4 Argon (High)ClosedGoogle1,683±104,677$8.0
11▲ 3GPT-6.1 Terra (Max)ClosedOpenAI1,678±113,626$2.0
12▲ 1Qwen3.8-Max (0902)ClosedAlibaba1,677±621,409$3.0
13▼ 1GPT-6 Sol (Max)ClosedOpenAI1,674±96,936$4.0
14▲ 1Qwen3.8-MaxClosedAlibaba1,670±123,371$3.0
15▲ 1Claude Opus 5 (High)ClosedAnthropic1,656±526,966$10
16▲ 1Muse Spark 1.3 (Max)ClosedMeta1,654±711,827$2.0
17▲ 1Muse Wonder (Max)ClosedMeta1,650±104,940$8.0
18NewInkling 2 SmallClosedThinking Machines1,649±20967$0.48
19—Grok 4.7 (xHigh)ClosedxAI1,640±87,875$3.0
20—Claude Fable 5 (High)ClosedAnthropic1,625±617,008—
21—Muse Spark 1.3 (xHigh)ClosedMeta1,621±711,334$2.0
22—Grok 4.6 (High)ClosedxAI1,618±712,187$3.0
23—GPT-5.6 Sol (xHigh, Codex Harness)ClosedOpenAI1,615±618,916—
24▲ 1Claude Haiku 5.5 (High)ClosedAnthropic1,595±96,243$0.20
25▼ 1Gemini 3.7 Flash (High)ClosedGoogle1,588±614,603—
26—Gemini 3.8 Flash (High)ClosedGoogle1,584±713,537$1.5
27—GPT-6 Luna (Max)ClosedOpenAI1,577±630,097$0.20
28—Step 5 Preview (High)ClosedStepFun1,572±87,307$1.4
29—Claude Opus 4.7 (High)ClosedAnthropic1,557±617,607—
30—Claude Opus 4.8 (High)ClosedAnthropic1,555±618,050—
31—Claude Opus 4.7ClosedAnthropic1,555±617,954—
32—Grok 4.5ClosedxAI1,552±710,806—
33—Claude Opus 4.6 (High)ClosedAnthropic1,546±619,078—
34▲ 1Muse Spark 1.1ClosedMeta1,542±87,840—
35▲ 1Claude Sonnet 5 (High)ClosedAnthropic1,539±616,792—
36▲ 1Gemini 3.6 Flash (High)ClosedGoogle1,538±88,532—
37▲ 1Claude Opus 4.6ClosedAnthropic1,537±520,370—
38▲ 1Claude Opus 4.8ClosedAnthropic1,536±616,976—
39▲ 1Muse Spark 1.2 (xHigh)ClosedMeta1,534±142,121—
40▲ 1Claude Sonnet 4.6ClosedAnthropic1,522±522,548—
41▲ 1GPT-5.6 Terra (xHigh, Codex Harness)ClosedOpenAI1,520±615,491$4.5
42▲ 1Seed2.1 Pro PreviewClosedByteDance1,519±617,413—
43▲ 1GPT-5.6 Luna (xHigh, Codex Harness)ClosedOpenAI1,519±612,228$0.45
44▲ 1Qwen3.7-Max (20260517)ClosedAlibaba1,515±78,748—
45▲ 1GPT-5.5 (xHigh, Codex Harness)ClosedOpenAI1,512±615,392—
46▲ 1Gemini 3.5 Flash (High)ClosedGoogle1,500±79,162—
47▲ 1Claude Opus 4.5 (High, 32K, 20251101)ClosedAnthropic1,493±810,929—
48▲ 1Gemini 3.5 Flash (Medium)ClosedGoogle1,490±711,911—
49▲ 1GPT-5.5 (High, Codex Harness)ClosedOpenAI1,487±617,662—
50▲ 1Spark-X2.6ClosedSynlan1,485±191,189—

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 “—”.