WebDev Arena Leaderboard

WebDev Arena is a real-time AI coding competition where models go head-to-head in web development challenges, developed by LMArena

Leaderboard

Gemini-2.5-Pro-Preview-05-06

Google

Arena Score

1419.95

License

Proprietary

95% CI

+19.28 / -17.23

Votes

2,053

Claude 3.7 Sonnet (20250219)

Anthropic

Arena Score

1357.10

License

Proprietary

95% CI

+9.79 / -9.53

Votes

7,481

Gemini-2.5-Pro-Exp-03-25

Google

Arena Score

1272.86

License

Proprietary

95% CI

+6.51 / -6.60

Votes

9,390

GPT-4.1-2025-04-14

OpenAI

Arena Score

1261.35

License

Proprietary

95% CI

+8.28 / -9.36

Votes

4,083

Claude 3.5 Sonnet (20241022)

Anthropic

Arena Score

1237.84

License

Proprietary

95% CI

+4.08 / -4.27

Votes

26,338

DeepSeek-V3-0324

DeepSeek

Arena Score

1206.85

License

MIT

95% CI

+21.10 / -17.84

Votes

1,097

DeepSeek-R1

DeepSeek

Arena Score

1198.71

License

MIT

95% CI

+11.23 / -9.85

Votes

3,760

GPT-4.1-mini-2025-04-14

OpenAI

Arena Score

1188.56

License

Proprietary

95% CI

+10.18 / -14.14

Votes

2,299

o3-2025-04-16

OpenAI

Arena Score

1187.08

License

Proprietary

95% CI

+11.37 / -14.69

Votes

2,195

Qwen3-235B-A22B

Alibaba

Arena Score

1185.64

License

Apache 2.0

95% CI

+24.46 / -17.67

Votes

706

Gemini-2.5-Flash-Preview-04-17

Google

#11

Arena Score

1145.13

License

Proprietary

95% CI

+12.62 / -10.09

Votes

2,186

early-grok-3

xAI

#11

Arena Score

1142.85

License

Proprietary

95% CI

+7.74 / -6.56

Votes

6,284

o3-mini-high (20250131)

OpenAI

#11

Arena Score

1136.37

License

Proprietary

95% CI

+11.68 / -11.34

Votes

2,984

Claude 3.5 Haiku (20241022)

Anthropic

#11

Arena Score

1133.26

License

Proprietary

95% CI

+5.60 / -5.47

Votes

20,567

o4-mini-2025-04-16

OpenAI

#15

Arena Score

1093.02

License

Proprietary

95% CI

+11.33 / -17.49

Votes

1,300

o3-mini (20250131)

OpenAI

#15

Arena Score

1091.78

License

Proprietary

95% CI

+9.00 / -6.15

Votes

6,391

Gemini-2.0-Pro-Exp-02-05

Google

#15

Arena Score

1088.91

License

Proprietary

95% CI

+5.55 / -5.07

Votes

11,936

o1 (20241217)

OpenAI

#18

Arena Score

1045.00

License

Proprietary

95% CI

+7.15 / -6.68

Votes

9,271

o1-mini (20240912)

OpenAI

#18

Arena Score

1041.94

License

Proprietary

95% CI

+6.03 / -5.87

Votes

13,828

Gemini-2.0-Flash-001

Google

#18

Arena Score

1039.32

License

Proprietary

95% CI

+6.03 / -6.26

Votes

9,952

Gemini-2.0-Flash-Thinking-01-21

Google

#18

Arena Score

1029.71

License

Proprietary

95% CI

+19.70 / -19.92

Votes

1,064

Llama-4-Maverick-17B-128E-Instruct

Meta

#30

Arena Score

809.72

License

Llama 3.1

95% CI

+13.46 / -19.68

Votes

1,117

Rank (UB)	Model	Arena Score	95% CI	Votes	Organization	License
1	Gemini-2.5-Pro-Preview-05-06	1419.95	+19.28 / -17.23	2,053	Google	Proprietary
2	Claude 3.7 Sonnet (20250219)	1357.10	+9.79 / -9.53	7,481	Anthropic	Proprietary
3	Gemini-2.5-Pro-Exp-03-25	1272.86	+6.51 / -6.60	9,390	Google	Proprietary
3	GPT-4.1-2025-04-14	1261.35	+8.28 / -9.36	4,083	OpenAI	Proprietary
5	Claude 3.5 Sonnet (20241022)	1237.84	+4.08 / -4.27	26,338	Anthropic	Proprietary
6	DeepSeek-V3-0324	1206.85	+21.10 / -17.84	1,097	DeepSeek	MIT
6	DeepSeek-R1	1198.71	+11.23 / -9.85	3,760	DeepSeek	MIT
6	GPT-4.1-mini-2025-04-14	1188.56	+10.18 / -14.14	2,299	OpenAI	Proprietary
6	o3-2025-04-16	1187.08	+11.37 / -14.69	2,195	OpenAI	Proprietary
6	Qwen3-235B-A22B	1185.64	+24.46 / -17.67	706	Alibaba	Apache 2.0
11	Gemini-2.5-Flash-Preview-04-17	1145.13	+12.62 / -10.09	2,186	Google	Proprietary
11	early-grok-3	1142.85	+7.74 / -6.56	6,284	xAI	Proprietary
11	o3-mini-high (20250131)	1136.37	+11.68 / -11.34	2,984	OpenAI	Proprietary
11	Claude 3.5 Haiku (20241022)	1133.26	+5.60 / -5.47	20,567	Anthropic	Proprietary
15	o4-mini-2025-04-16	1093.02	+11.33 / -17.49	1,300	OpenAI	Proprietary
15	o3-mini (20250131)	1091.78	+9.00 / -6.15	6,391	OpenAI	Proprietary
15	Gemini-2.0-Pro-Exp-02-05	1088.91	+5.55 / -5.07	11,936	Google	Proprietary
18	o1 (20241217)	1045.00	+7.15 / -6.68	9,271	OpenAI	Proprietary
18	o1-mini (20240912)	1041.94	+6.03 / -5.87	13,828	OpenAI	Proprietary
18	Gemini-2.0-Flash-001	1039.32	+6.03 / -6.26	9,952	Google	Proprietary
18	Gemini-2.0-Flash-Thinking-01-21	1029.71	+19.70 / -19.92	1,064	Google	Proprietary
21	Llama-4-Maverick-17B-128E-Instruct	1015.27	+8.75 / -11.11	4,103	Meta	Llama 4
23	Gemini-2.0-Flash-Exp	980.31	+6.62 / -6.54	14,485	Google	Proprietary
23	Qwen2.5-Max	974.69	+7.65 / -6.58	10,845	Alibaba	Proprietary
24	GPT-4o-2024-11-20	964.00	+4.25 / -5.90	18,637	OpenAI	Proprietary
25	DeepSeek-V3	959.89	+7.75 / -8.92	7,717	DeepSeek	DeepSeek
27	Qwen2.5-Coder-32B-Instruct	902.33	+4.80 / -4.63	16,252	Alibaba	Apache 2.0
27	Llama-4-Scout-17B-16E-Instruct	899.84	+26.91 / -30.08	692	Meta	Llama 4
27	Gemini-1.5-Pro-002	892.56	+5.65 / -6.43	15,201	Google	Proprietary
30	Llama-3.1-405B-Instruct	809.72	+13.46 / -19.68	1,117	Meta	Llama 3.1

More Statistics for WebDev Arena (Overall)

Confidence Interval for Model Strength

Figure 1

Average Win Rate Against All Other Models (Assuming Uniform Sampling and No Ties)

Figure 2

Fraction of Model A Wins for All Non-tied A vs. B Battles

Figure 3

Battle Count for Each Combination of Models (without Ties)

Figure 4