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benchmark evidence

WebDev Arena

Arena.ai WebDev / Code Arena frontier coding preference leaderboard.

winner on WebDev Arena
direct benchmark result, not a broad vertical composite | source row dated 2026-08-21
scored on 2026-08-21
latest mapped results | top 20
#ModelScoreEvidenceTested
1Anthropic: Claude Opus 4.7
Anthropic
100.0
model-only
independent_benchmark
2026-08-21
2Anthropic: Claude Opus 4.6
Anthropic
100.0
model-only
independent_benchmark
2026-08-21
3Anthropic: Claude Sonnet 4.6
Anthropic
100.0
model-only
independent_benchmark
2026-08-21
4Anthropic: Claude Opus 4.5
Anthropic
92.0
model-only
independent_benchmark
2026-08-21
5DeepSeek: DeepSeek V4 Pro 0423
Deepseek
86.4
model-only
independent_benchmark
2026-08-21
6Z.ai: GLM 5
Z Ai
83.9
model-only
independent_benchmark
2026-08-21
7OpenAI: GPT-5.2
Openai
79.5
model-only
independent_benchmark
2026-08-21
8OpenAI: GPT-5.4 Mini
Openai
74.3
model-only
independent_benchmark
2026-08-21
9OpenAI: GPT-5.4
Openai
72.6
model-only
independent_benchmark
2026-08-21
10Anthropic: Claude Sonnet 4.5
Anthropic
71.4
model-only
independent_benchmark
2026-08-21
11OpenAI: GPT-5.1
Openai
60.2
model-only
independent_benchmark
2026-08-21
12Anthropic: Claude Haiku 4.5
Anthropic
56.9
model-only
independent_benchmark
2026-08-21
13DeepSeek: DeepSeek V3.2
Deepseek
56.1
model-only
independent_benchmark
2026-08-21
14Google: Gemini 2.5 Pro
Google
31.4
model-only
independent_benchmark
2026-08-21
what this result means

Arena.ai WebDev / Code Arena frontier coding preference leaderboard.

This benchmark contributes direct public evidence. Read its scope before generalizing the result.

A win here is a win on WebDev Arena. Broad task pages require independent corroboration before naming a general winner.

source record
category: coding
metric: accuracy
matched models: 14
latest source date: 2026-08-21
direction: higher is better
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