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Best LLM for web development

Claude Opus 5.5 leads
1807
models ranked
101
lead over #2
+34 Elo

WebDev Arena Elo · read October 20

As of October 20, 2026, Anthropic Claude Opus 5.5 leads WebDev Arena with a rating of 1807, ahead of OpenAI GPT-6 Astra (1774) and Anthropic Claude Sonnet 5.5 (1768).

This list narrows the best LLM for coding ranking.

Top 20 of 101, higher is better

Embed this data
Best LLM for web development
Rank Model WebDev Arena Elo Evidence Coding index Output $/Mtok
1
Claude Opus 5.5 Anthropic
1807
92.2 $20.00
2
GPT-6 Astra OpenAI
1774
88.7 $50.00
3
Claude Sonnet 5.5 Anthropic
1768
88.9 $10.00
4
GPT-6.1 Sol OpenAI
1753
88.7 $10.00
5
Claude Fable 5.1 Anthropic
1743
89.1 $50.00
6
Claude Opus 5 Anthropic
1689
81.8 $25.00
7
GPT-6 Sol OpenAI
1683
82.8 $10.00
8
1678
80.5 $10.00
9
1674
63.5 $6.00
10
1664
83.3 $0.60
11
1659
79.7 $4.25
12
Kimi K3 Moonshot AI
1655
61.8 $11.936
13
1652
64.5 $20.00
14
Grok 4.7 xAI
1637
75.0 $6.00
15
1634
61.9 $0.28
16
Hy4 preview Tencent
1631
61.6 $2.501
17
MiMo-V2.6-Pro Xiaomi
1625
72.6 $0.87
18
Claude Fable 5 Anthropic
1624
82.1 $50.00
19
GLM 5.3 Z.ai
1621
73.1 $1.40
20
1618
77.2 $0.0112

How this list is built

Generated from the dataset on every refresh. Nobody picks the order by hand.

Models by their WebDev Arena rating, where people compare two models building the same web page and vote for the better one. Higher is better.

Other lists

Rankings beyond coding · Methodology