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IFAI

Model rankings

1283 models · 5 boards · 2 sources

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

Best web builder
claude-fable-5Anthropic1,654Score
Best open model
glm-5.2 (max)Z.ai1,593Score
Best from China
glm-5.2 (max)Z.ai1,593Score
Most voted
claude-haiku-4-5-20251001Anthropic22,687Votes
Top three by Score
1claude-fable-5Anthropic1,654
2glm-5.2 (max)Z.ai1,593
3claude-opus-4-8-thinkingAnthropic1,565
Top three open models
1glm-5.2 (max)Z.ai · #2 overall1,593
2glm-5.1Z.ai · #8 overall1,529
3kimi-k2.6Moonshot AI · #10 overall1,513
This week's changes
MAI-Image-2.5Image · #2New
MAI-Image-2.5-FlashImage · #9New
Luna TTSSpeech · #9New
Nex-N2-ProIntelligence · #20New
Grok Build 0.1 0616Intelligence · #29New
RankChangeModelScore95% intervalVotesPrice $/M
1—claude-fable-5ClosedAnthropic1,654±162,095—
2—claude-opus-4-8-thinkingClosedAnthropic · 1 more variant1,565±123,005—
3—claude-opus-4-7-thinkingClosedAnthropic · 1 more variant1,563±87,823—
4—claude-opus-4-6-thinkingClosedAnthropic · 1 more variant1,542±710,294—
5—claude-sonnet-4-6ClosedAnthropic1,521±613,612—
6—gemini-3.5-flashClosedGoogle1,506±132,217—
7—gpt-5.5-xhigh (codex-harness)ClosedOpenAI1,502±86,535—
8—claude-opus-4-5-20251101-thinking-32kClosedAnthropic1,490±713,059—
9—gpt-5.5-high (codex-harness)ClosedOpenAI1,484±86,726—
10—claude-opus-4-5-20251101ClosedAnthropic1,466±615,305—
11—gpt-5.4-high (codex-harness)ClosedOpenAI1,457±171,482—
12—gpt-5.5 (codex-harness)ClosedOpenAI1,449±86,569—
13—gemini-3.1-pro-previewClosedGoogle1,447±612,948—
14—gemini-3-proClosedGoogle1,439±717,158—
15—gpt-5.4-medium (codex-harness)ClosedOpenAI1,437±161,449—
16—gemini-3-flashClosedGoogle · 1 more variant1,437±713,277—
17—gpt-5.4ClosedOpenAI1,411±27505—
18—gpt-5.3-codex (codex-harness)ClosedOpenAI · 1 more variant1,407±122,965—
19—gpt-5.2ClosedOpenAI1,405±171,457—
20—gpt-5.4-mini-highClosedOpenAI1,398±87,713—
21—gpt-5-mediumClosedOpenAI1,394±133,755—
22—gpt-5.1-mediumClosedOpenAI1,391±96,119—
23—claude-sonnet-4-5-20250929-thinking-32kClosedAnthropic1,388±715,741—
24—claude-opus-4-1-20250805ClosedAnthropic1,386±98,568—
25—claude-sonnet-4-5-20250929ClosedAnthropic1,386±618,390—
26—grok-4.20-beta-0309-reasoningClosedxAI1,385±79,535—
27—grok-4.3ClosedxAI1,364±95,821—
28—gpt-5.1ClosedOpenAI1,340±712,865—
29—gpt-5.2-codexClosedOpenAI1,335±87,764—
30—gpt-5.1-codexClosedOpenAI1,330±106,217—
31—claude-haiku-4-5-20251001ClosedAnthropic1,326±522,687$2.0
32—gemini-3.1-flash-lite-previewClosedGoogle1,249±711,736$0.56
33—gpt-5.1-codex-miniClosedOpenAI1,240±171,444—
34—grok-4-1-fast-reasoningClosedxAI1,234±96,911—
35—grok-4.1-thinkingClosedxAI1,209±201,209—
36—gemini-2.5-proClosedGoogle1,204±133,300—
37—mercury-2ClosedInception1,165±23948—
38—grok-4-fast-reasoningClosedxAI1,150±23934—
39—grok-code-fast-1ClosedxAI1,140±22982—

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 “—”.