LMArena WebDev Arena
People compare two web apps built by anonymous models from the same prompt and vote for the better one.
Claude Opus 5.5
#1 right now
1,818
Arena rating
100
Models ranked
Sep 23, 2026
Board published
Ranking
Best variant per model, as published. Higher is better.
- 11,818
Claude Opus 5.5
as “claude-opus-5.5-max” - 21,792
GPT-6 Astra
as “gpt-6-astra-max” - 31,755as “claude-fable-5.1-max”
- 41,692as “claude-opus-5-max”
- 51,686as “gpt-6-sol-max”
- 61,671
Qwen3.8 Max (0902)
as “qwen3.8-max” - 71,660
Kimi K3
as “kimi-k3-max” - 81,658
Muse Spark 1.3
as “muse-spark-1.3-max” - 91,636as “qwen3.8-flash-next”
- 101,632
Grok 4.7
as “grok-4.7-xhigh” - 111,631
Hy4 preview
as “hy4-preview” - 121,627as “claude-fable-5-high”
- 131,624as “grok-4.6-high”
- 141,622
GLM-5.3
as “glm-5.3-max” - 151,620
DeepSeek V4.1 Flash
as “deepseek-v4.1-flash-max” - 161,617as “gpt-5.6-sol-xhigh (codex-harness)”
- 171,612as “glm-5.3-flash”
- 181,600as “glm-5.2-max”
- 191,595
Gemini 3.7 Flash
as “gemini-3.7-flash-high” - 201,591as “qwen3.8-27b”
- 211,584as “gemini-3.8-flash-high”
- 221,581as “deepseek-v4-pro-high-20260813”
- 231,579as “deepseek-v4-flash-high”
- 241,557as “claude-opus-4-7”
- 251,555as “claude-opus-4-8-high”
Rank over time
Rank at each month’s end, from snapshots this board published or we captured.
Other coding boards
Scores as published by LMArena on the capture date (2026-09-24). Source: lmarena.ai leaderboard page data.