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

GPT-5 (high)

OpenAI

Arena Score

1473.25

License

Proprietary

95% CI

+7.33 / -8.87

Votes

8,004

Claude Opus 4.1 thinking-16k (20250805)

Anthropic

Arena Score

1457.65

License

Proprietary

95% CI

+7.34 / -7.43

Votes

8,726

Claude Opus 4.1 (20250805)

Anthropic

Arena Score

1451.27

License

Proprietary

95% CI

+6.96 / -7.06

Votes

8,986

Claude Sonnet 4.5 (thinking 32k)

Anthropic

Arena Score

1420.14

License

Proprietary

95% CI

+9.46 / -9.61

Votes

4,863

MiniMax-M2

MiniMax

Arena Score

1404.51

License

MIT

95% CI

+10.09 / -8.64

Votes

3,515

Gemini-2.5-Pro

Google

Arena Score

1398.99

License

Proprietary

95% CI

+5.84 / -4.95

Votes

14,628

GLM-4.6

ZAI

Arena Score

1395.19

License

MIT

95% CI

+9.71 / -8.44

Votes

7,563

DeepSeek-R1-0528

DeepSeek

Arena Score

1392.69

License

MIT

95% CI

+8.15 / -9.41

Votes

4,800

Claude Sonnet 4.5

Anthropic

Arena Score

1386.98

License

Proprietary

95% CI

+7.02 / -9.47

Votes

7,855

Claude Opus 4 (20250514)

Anthropic

Arena Score

1382.68

License

Proprietary

95% CI

+5.52 / -6.73

Votes

9,238

GLM-4.5

ZAI

Arena Score

1378.52

License

MIT

95% CI

+7.91 / -9.41

Votes

4,360

GLM-4.5-Air

ZAI

Arena Score

1365.84

License

MIT

95% CI

+12.70 / -16.00

Votes

1,425

Qwen3-Coder

Alibaba

#11

Arena Score

1365.02

License

Apache 2.0

95% CI

+6.33 / -8.34

Votes

13,296

Claude Sonnet 4 (20250514)

Anthropic

#12

Arena Score

1362.00

License

Proprietary

95% CI

+5.02 / -6.39

Votes

11,526

DeepSeek-V3.1-thinking

DeepSeek

#10

Arena Score

1360.20

License

DeepSeek

95% CI

+16.62 / -15.38

Votes

1,459

Claude 3.7 Sonnet (20250219)

Anthropic

#12

Arena Score

1358.41

License

Proprietary

95% CI

+8.68 / -8.44

Votes

7,460

Claude Haiku 4.5 (20251001)

Anthropic

#12

Arena Score

1354.30

License

Proprietary

95% CI

+8.18 / -8.57

Votes

6,549

Qwen3-235B-A22B-Instruct-2507

Alibaba

#12

Arena Score

1352.32

License

Apache 2.0

95% CI

+13.09 / -21.66

Votes

992

DeepSeek-V3.1

DeepSeek

#14

Arena Score

1338.38

License

DeepSeek

95% CI

+14.74 / -13.62

Votes

1,304

qwen3-coder-plus-2025-09-23

Alibaba

#18

Arena Score

1333.87

License

Proprietary

95% CI

+8.07 / -9.88

Votes

3,977

Kimi-K2-Instruct

Moonshot

#21

Arena Score

1315.22

License

Modified MIT

95% CI

+7.51 / -7.17

Votes

7,027

Gemini-2.5-Flash

Google

#22

Arena Score

1294.43

License

Proprietary

95% CI

+6.82 / -5.55

Votes

14,956

GPT-4.1-2025-04-14

OpenAI

#23

Arena Score

1252.53

License

Proprietary

95% CI

+5.72 / -5.70

Votes

11,506

Claude 3.5 Sonnet (20241022)

Anthropic

#24

Arena Score

1238.14

License

Proprietary

95% CI

+5.40 / -4.49

Votes

26,267

DeepSeek-V3-0324

DeepSeek

#25

Arena Score

1207.91

License

MIT

95% CI

+16.47 / -17.91

Votes

1,094

DeepSeek-R1

DeepSeek

#25

Arena Score

1199.39

License

MIT

95% CI

+13.58 / -13.10

Votes

3,755

GPT-4.1-mini-2025-04-14

OpenAI

#25

Arena Score

1192.74

License

Proprietary

95% CI

+5.94 / -6.45

Votes

9,064

Qwen3-235B-A22B

Alibaba

#25

Arena Score

1189.50

License

Apache 2.0

95% CI

+5.54 / -7.55

Votes

5,600

o3-2025-04-16

OpenAI

#25

Arena Score

1186.41

License

Proprietary

95% CI

+9.13 / -8.51

Votes

5,572

Mistral Medium 3

Mistral

#26

Arena Score

1180.59

License

Proprietary

95% CI

+6.93 / -7.76

Votes

7,511

Grok-4-0709

xAI

#29

Arena Score

1173.77

License

Proprietary

95% CI

+5.58 / -6.30

Votes

7,685

grok-code-fast-1

xAI

#32

Arena Score

1152.17

License

Proprietary

95% CI

+9.08 / -9.16

Votes

4,991

Grok-3-preview-02-24

xAI

#32

Arena Score

1143.43

License

Proprietary

95% CI

+7.26 / -8.19

Votes

5,764

o3-mini-high (20250131)

OpenAI

#32

Arena Score

1136.73

License

Proprietary

95% CI

+11.62 / -12.65

Votes

2,979

Claude 3.5 Haiku (20241022)

Anthropic

#33

Arena Score

1133.41

License

Proprietary

95% CI

+6.47 / -4.93

Votes

22,213

MiniMax-M1

MiniMax

#33

Arena Score

1129.40

License

MIT

95% CI

+9.50 / -8.75

Votes

3,361

o4-mini-2025-04-16

OpenAI

#35

Arena Score

1117.46

License

Proprietary

95% CI

+7.30 / -7.98

Votes

8,850

gpt-oss-120b

OpenAI

#37

Arena Score

1093.01

License

Apache 2.0

95% CI

+24.73 / -23.18

Votes

759

o3-mini (20250131)

OpenAI

#38

Arena Score

1092.17

License

Proprietary

95% CI

+8.05 / -8.32

Votes

6,369

Gemini-2.0-Pro-Exp-02-05

Google

#38

Arena Score

1089.74

License

Proprietary

95% CI

+7.54 / -8.86

Votes

11,859

o1 (20241217)

OpenAI

#41

Arena Score

1045.16

License

Proprietary

95% CI

+7.20 / -7.58

Votes

9,235

o1-mini (20240912)

OpenAI

#41

Arena Score

1042.58

License

Proprietary

95% CI

+6.17 / -5.39

Votes

13,688

Gemini-2.0-Flash-001

Google

#41

Arena Score

1040.25

License

Proprietary

95% CI

+9.02 / -5.26

Votes

10,498

Gemini-2.0-Flash-Thinking-01-21

Google

#41

Arena Score

1029.78

License

Proprietary

95% CI

+18.98 / -17.41

Votes

1,058

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

Meta

#53

Arena Score

809.69

License

Llama 3.1

95% CI

+17.93 / -21.63

Votes

1,117

Rank (UB)	Model	Arena Score	95% CI	Votes	Organization	License
1	GPT-5 (high)	1473.25	+7.33 / -8.87	8,004	OpenAI	Proprietary
1	Claude Opus 4.1 thinking-16k (20250805)	1457.65	+7.34 / -7.43	8,726	Anthropic	Proprietary
2	Claude Opus 4.1 (20250805)	1451.27	+6.96 / -7.06	8,986	Anthropic	Proprietary
4	Claude Sonnet 4.5 (thinking 32k)	1420.14	+9.46 / -9.61	4,863	Anthropic	Proprietary
4	MiniMax-M2	1404.51	+10.09 / -8.64	3,515	MiniMax	MIT
5	Gemini-2.5-Pro	1398.99	+5.84 / -4.95	14,628	Google	Proprietary
5	GLM-4.6	1395.19	+9.71 / -8.44	7,563	ZAI	MIT
5	DeepSeek-R1-0528	1392.69	+8.15 / -9.41	4,800	DeepSeek	MIT
7	Claude Sonnet 4.5	1386.98	+7.02 / -9.47	7,855	Anthropic	Proprietary
7	Claude Opus 4 (20250514)	1382.68	+5.52 / -6.73	9,238	Anthropic	Proprietary
8	GLM-4.5	1378.52	+7.91 / -9.41	4,360	ZAI	MIT
9	GLM-4.5-Air	1365.84	+12.70 / -16.00	1,425	ZAI	MIT
11	Qwen3-Coder	1365.02	+6.33 / -8.34	13,296	Alibaba	Apache 2.0
12	Claude Sonnet 4 (20250514)	1362.00	+5.02 / -6.39	11,526	Anthropic	Proprietary
10	DeepSeek-V3.1-thinking	1360.20	+16.62 / -15.38	1,459	DeepSeek	DeepSeek
12	Claude 3.7 Sonnet (20250219)	1358.41	+8.68 / -8.44	7,460	Anthropic	Proprietary
12	Claude Haiku 4.5 (20251001)	1354.30	+8.18 / -8.57	6,549	Anthropic	Proprietary
12	Qwen3-235B-A22B-Instruct-2507	1352.32	+13.09 / -21.66	992	Alibaba	Apache 2.0
14	DeepSeek-V3.1	1338.38	+14.74 / -13.62	1,304	DeepSeek	DeepSeek
18	qwen3-coder-plus-2025-09-23	1333.87	+8.07 / -9.88	3,977	Alibaba	Proprietary
21	Kimi-K2-Instruct	1315.22	+7.51 / -7.17	7,027	Moonshot	Modified MIT
22	Gemini-2.5-Flash	1294.43	+6.82 / -5.55	14,956	Google	Proprietary
23	GPT-4.1-2025-04-14	1252.53	+5.72 / -5.70	11,506	OpenAI	Proprietary
24	Claude 3.5 Sonnet (20241022)	1238.14	+5.40 / -4.49	26,267	Anthropic	Proprietary
25	DeepSeek-V3-0324	1207.91	+16.47 / -17.91	1,094	DeepSeek	MIT
25	DeepSeek-R1	1199.39	+13.58 / -13.10	3,755	DeepSeek	MIT
25	GPT-4.1-mini-2025-04-14	1192.74	+5.94 / -6.45	9,064	OpenAI	Proprietary
25	Qwen3-235B-A22B	1189.50	+5.54 / -7.55	5,600	Alibaba	Apache 2.0
25	o3-2025-04-16	1186.41	+9.13 / -8.51	5,572	OpenAI	Proprietary
26	Mistral Medium 3	1180.59	+6.93 / -7.76	7,511	Mistral	Proprietary
29	Grok-4-0709	1173.77	+5.58 / -6.30	7,685	xAI	Proprietary
32	grok-code-fast-1	1152.17	+9.08 / -9.16	4,991	xAI	Proprietary
32	Grok-3-preview-02-24	1143.43	+7.26 / -8.19	5,764	xAI	Proprietary
32	o3-mini-high (20250131)	1136.73	+11.62 / -12.65	2,979	OpenAI	Proprietary
33	Claude 3.5 Haiku (20241022)	1133.41	+6.47 / -4.93	22,213	Anthropic	Proprietary
33	MiniMax-M1	1129.40	+9.50 / -8.75	3,361	MiniMax	MIT
35	o4-mini-2025-04-16	1117.46	+7.30 / -7.98	8,850	OpenAI	Proprietary
37	gpt-oss-120b	1093.01	+24.73 / -23.18	759	OpenAI	Apache 2.0
38	o3-mini (20250131)	1092.17	+8.05 / -8.32	6,369	OpenAI	Proprietary
38	Gemini-2.0-Pro-Exp-02-05	1089.74	+7.54 / -8.86	11,859	Google	Proprietary
41	o1 (20241217)	1045.16	+7.20 / -7.58	9,235	OpenAI	Proprietary
41	o1-mini (20240912)	1042.58	+6.17 / -5.39	13,688	OpenAI	Proprietary
41	Gemini-2.0-Flash-001	1040.25	+9.02 / -5.26	10,498	Google	Proprietary
41	Gemini-2.0-Flash-Thinking-01-21	1029.78	+18.98 / -17.41	1,058	Google	Proprietary
43	Llama-4-Maverick-17B-128E-Instruct	1027.08	+8.02 / -8.43	5,474	Meta	Llama 4
46	Gemini-2.0-Flash-Exp	980.07	+8.72 / -5.89	14,454	Google	Proprietary
46	Qwen2.5-Max	975.51	+6.98 / -5.99	11,073	Alibaba	Proprietary
47	GPT-4o-2024-11-20	964.00	+5.81 / -4.81	18,601	OpenAI	Proprietary
48	DeepSeek-V3	959.78	+6.88 / -8.16	7,699	DeepSeek	DeepSeek
50	Qwen2.5-Coder-32B-Instruct	901.97	+6.64 / -7.44	16,199	Alibaba	Apache 2.0
50	Llama-4-Scout-17B-16E-Instruct	901.09	+25.48 / -26.48	687	Meta	Llama 4
50	Gemini-1.5-Pro-002	892.56	+7.53 / -7.11	15,159	Google	Proprietary
53	Llama-3.1-405B-Instruct	809.69	+17.93 / -21.63	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