LMArena WebDev Arena leaderboard: who is #1

Name: LMArena WebDev Arena rankings
Creator: LMArena
License: https://creativecommons.org/licenses/by/4.0/

LMArena · Arena rating, higher is better · 100 models · published Sep 23, 2026

LMArena

Top 25 of 100 models, best variant per model as published

#	Model	Score
1	Claude Opus 5.5as “claude-opus-5.5-max”	1,818
2	GPT-6 Astraas “gpt-6-astra-max”	1,792
3	Claude Fable 5.1as “claude-fable-5.1-max”	1,755
4	Claude Opus 5as “claude-opus-5-max”	1,692
5	GPT-6 Solas “gpt-6-sol-max”	1,686
6	Qwen3.8 Max (0902)as “qwen3.8-max”	1,671
7	Kimi K3as “kimi-k3-max”	1,660
8	Muse Spark 1.3as “muse-spark-1.3-max”	1,658
9	Qwen3.8-Flash-Nextas “qwen3.8-flash-next”	1,636
10	Grok 4.7as “grok-4.7-xhigh”	1,632
11	Hy4 previewas “hy4-preview”	1,631
12	Claude Fable 5as “claude-fable-5-high”	1,627
13	Grok 4.6as “grok-4.6-high”	1,624
14	GLM-5.3as “glm-5.3-max”	1,622
15	DeepSeek V4.1 Flashas “deepseek-v4.1-flash-max”	1,620
16	GPT-5.6 Solas “gpt-5.6-sol-xhigh (codex-harness)”	1,617
17	GLM 5.3 Flashas “glm-5.3-flash”	1,612
18	GLM-5.2as “glm-5.2-max”	1,600
19	Gemini 3.7 Flashas “gemini-3.7-flash-high”	1,595
20	Qwen3.8 27Bas “qwen3.8-27b”	1,591
21	Gemini 3.8 Flashas “gemini-3.8-flash-high”	1,584
22	DeepSeek V4 Pro 0813as “deepseek-v4-pro-high-20260813”	1,581
23	DeepSeek V4 Flash Visionas “deepseek-v4-flash-high”	1,579
24	Claude Opus 4.7as “claude-opus-4-7”	1,557
25	Claude Opus 4.8as “claude-opus-4-8-high”	1,555

About this board and its history

What it measures

People compare two web apps built by anonymous models from the same prompt and vote for the better one.

Rank at each month's end

Other coding boards

Source

Scores as published by LMArena on the capture date (2026-09-24). Source: lmarena.ai leaderboard page data.

arena.ai/leaderboard/code

Sources: each leaderboard's own published results page, captured every day at 04:30 UTC. Scores exactly as each board published them; we run no evaluations. Logos via logo.dev; trademarks belong to their owners.

What it measures

Rank at each month's end

Other coding boards

Source

New #1s by email