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IFAI

Model rankings

1432 models · 5 boards · 2 sources

WebDev arena · People compare web pages built by two models · Published August 21, 2026

Best web builder
claude-opus-5-maxAnthropic1,691Score
Best open model
kimi-k3-maxMoonshot AI1,674Score
Best from China
kimi-k3-maxMoonshot AI1,674Score
Most voted
claude-haiku-4-5-20251001Anthropic26,652Votes
Top three by Score
1claude-opus-5-maxAnthropic1,691
2kimi-k3-maxMoonshot AI1,674
3qwen3.8-maxAlibaba1,669
Top three open models
1kimi-k3-maxMoonshot AI · #2 overall1,674
2glm-5.3-maxZ.ai · #8 overall1,599
3qwen3.8-27bAlibaba · #9 overall1,595
This week's changes
Sonic 3.6Speech · #1New
Grok 4.6 (high)Intelligence · #4New
Qwen3.8 2.4T A95BIntelligence · #7New
glm-5.3-maxCoding · #8New
Qwen-Image-3.0-ProImage · #8New
RankChangeModelScore95% intervalVotesPrice $/M
1—claude-opus-5-maxClosedAnthropic1,691±98,116—
2—claude-opus-5-highClosedAnthropic1,663±88,659—
3—grok-4.6-highClosedxAI1,629±171,523—
4—claude-fable-5ClosedAnthropic1,626±88,382—
5—gpt-5.6-sol-xhigh (codex-harness)ClosedOpenAI1,619±89,499—
6—gemini-3.7-flash-highClosedGoogle1,587±132,552—
7—claude-opus-4-8-highClosedAnthropic1,563±711,699—
8—claude-opus-4-7ClosedAnthropic1,558±614,527—
9—claude-opus-4-7-highClosedAnthropic1,557±615,099—
10—grok-4.5ClosedxAI1,556±86,325—
11—claude-opus-4-6-highClosedAnthropic1,546±617,015—
12▲ 1claude-opus-4-8ClosedAnthropic1,539±710,638—
13▲ 1muse-spark-1.1ClosedMeta1,539±86,204—
14▲ 2gemini-3.6-flash-highClosedGoogle1,539±96,464—
15▼ 3claude-sonnet-5-highClosedAnthropic1,539±87,267—
16▼ 1claude-opus-4-6ClosedAnthropic1,536±618,226—
17—muse-spark-1.2 (xHigh)ClosedMeta1,534±142,062—
18—claude-sonnet-4-6ClosedAnthropic1,522±520,307—
19—gpt-5.6-terra-xhigh (codex-harness)ClosedOpenAI1,520±95,677—
20—gpt-5.6-luna-xhigh (codex-harness)ClosedOpenAI1,518±95,742—
21—gpt-5.5-xhigh (codex-harness)ClosedOpenAI1,508±613,648—
22—gemini-3.5-flash-highClosedGoogle1,499±87,559—
23—claude-opus-4-5-20251101-high-32kClosedAnthropic1,494±810,617—
24—gemini-3.5-flash-mediumClosedGoogle1,490±710,038—
25—gpt-5.5-high (codex-harness)ClosedOpenAI1,486±615,630—
26—claude-opus-4-5-20251101ClosedAnthropic1,468±712,925—
27—gpt-5.4-high (codex-harness)ClosedOpenAI1,463±191,279—
28—gpt-5.5 (codex-harness)ClosedOpenAI1,458±613,672—
29—gemini-3.5-flash-liteClosedGoogle1,449±43228$0.85
30—gemini-3.1-pro-previewClosedGoogle1,446±521,573—
31—gpt-5.4-medium (codex-harness)ClosedOpenAI1,442±191,318—
32—gemini-3-flashClosedGoogle · 1 more variant1,438±910,477—
33—gemini-3-proClosedGoogle1,438±913,593—
34—gpt-5-mediumClosedOpenAI1,419±163,037—
35—gpt-5.2ClosedOpenAI1,418±231,057—
36—gpt-5.3-codex (codex-harness)ClosedOpenAI · 1 more variant1,408±142,526—
37—inklingOpenThinking Machines1,408±87,088$1.8
38NewInkling SmallOpenThinking Machines1,402±113,806$0.52
39▼ 1gpt-5.4-mini-highClosedOpenAI1,397±711,294—
40▼ 1claude-sonnet-4-5-20250929-high-32kClosedAnthropic1,392±812,802—
41▼ 1gpt-5.1-mediumClosedOpenAI1,391±124,758—
42▼ 1gpt-5.4ClosedOpenAI1,391±141,951—
43▼ 1claude-opus-4-1-20250805ClosedAnthropic1,389±116,786—
44▼ 1claude-sonnet-4-5-20250929ClosedAnthropic1,386±715,198—
45▼ 1grok-4.20-beta-0309-reasoningClosedxAI1,374±614,590—
46▼ 1gemma-4-31bOpenGoogle1,364±78,965$0.000
47▼ 1gemma-4-26b-a4bOpenGoogle1,362±171,443—
48▼ 1muse-glimmerOpenMeta1,359±161,507$0.52
49▼ 1grok-4.3ClosedxAI1,357±712,942—
50▼ 1gpt-5.1ClosedOpenAI1,341±910,343—

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 “—”.