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Datasets:
lmarena-ai
/
arena-webdev-preferences

Tasks:
Text Generation
Modalities:
Text
Formats:
parquet
Languages:
English
Chinese
Portuguese
Size:
1K - 10K
ArXiv:
Tags:
human-feedback
preference
reward-modeling
agents
code
web-development
Libraries:
Datasets
pandas
Polars
License:
Dataset card Data Studio Files
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id
stringlengths
36
36
session_id
stringlengths
36
36
timestamp
stringlengths
25
32
category
stringclasses
7 values
language
stringclasses
42 values
prompt
stringlengths
2
118k
model_a
stringclasses
87 values
model_b
stringclasses
87 values
generation_trace_a
stringlengths
984
1.58M
generation_trace_b
stringlengths
990
1.1M
website_a
stringlengths
4.69k
661k
website_b
stringlengths
4.16k
714k
winner
stringclasses
2 values
019f8f70-4be6-78bc-8742-e6291d121b27
019f8f69-04a8-74a1-9868-3d2fa8536bf2
2026-07-23T14:45:29.190000+00:00
brand_marketing_and_informational_websites
en
"gimme an html code for an application of word cup fifa 2030 morroco be creative use morocan colors(...TRUNCATED)
laguna-xs-2.1
deepseek-v4-pro-thinking-webdev
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"en\\\">\\n (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"en\\\">\\n (...TRUNCATED)
model_b
019f8231-0bd8-7835-b65d-34ab230cb6a7
019f8230-a36d-7d23-a189-e2432e987c26
2026-07-21T01:01:20.216000+00:00
brand_marketing_and_informational_websites
en
"خد شغل ده كما هو ب ملي تمام بس غير اسمه الي ORVEXAده اسم مو(...TRUNCATED)
private-9
gpt-5.5-high-webdev
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"ar\\\" dir=(...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"ar\\\" dir=(...TRUNCATED)
model_a
019fa9d5-0559-74f5-8ac7-a499b03ac202
019fa9d4-70ce-71ac-807e-ea537e820bad
2026-07-28T17:45:37.881000+00:00
brand_marketing_and_informational_websites
en
"# SYSTEM ROLE\n\n\n\nYou are no longer an AI assistant.\n\n\n\nYou are an elite digital product stu(...TRUNCATED)
private-3
qwen3.6-27b
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"en\\\">\\n (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"en\\\">\\n (...TRUNCATED)
model_a
019f84f9-b1ec-71e3-8d26-d476e116cdbb
019f84f6-ff2c-72fb-973c-b45fb7c8a9c0
2026-07-21T13:59:44.364000+00:00
brand_marketing_and_informational_websites
id
"buatkan aku website kelas X PPLG 1 sekolah SMK Negeri 7 Pekanbaru, incloud beranda, struktur kelas,(...TRUNCATED)
private-1
kimi-k2.5-webdev
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"id\\\">\\n (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"id\\\">\\n (...TRUNCATED)
model_a
019f9473-b1e1-743c-a2f8-c25d827d8c01
019f9472-7074-7d83-b2b4-64fba5b4a9bf
2026-07-24T14:07:17.985000+00:00
brand_marketing_and_informational_websites
en
"Create a premium, modern, conversion-focused landing page for youness design targeting morocco , wi(...TRUNCATED)
grok-4.3-webdev
deepseek-v4-pro-webdev
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\"events\": [{\"event_index\": 0, \"role\": \"user\", \"status\": \"success\", \"failure_reason\":(...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"en\\\">\\n (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"en\\\" clas(...TRUNCATED)
model_b
019f651f-0119-7535-ba82-87bbf0aa8377
019f651e-26e6-76bd-92df-71ba3d7f1c14
2026-07-15T09:32:38.553000+00:00
brand_marketing_and_informational_websites
en
"Create a premium, modern, conversion-focused landing page for Pelsseyon VFX Studio targeting Visual(...TRUNCATED)
claude-sonnet-5-webdev
glm-5.1-code
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"en\\\">\\n (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"en\\\">\\n (...TRUNCATED)
model_a
019f7569-4651-76cd-9a5c-dcba4920137c
019f7565-d513-7068-bd68-414df8b1796b
2026-07-18T13:27:41.393000+00:00
brand_marketing_and_informational_websites
en
"Premium Homepage Prompt for ZionReviews.com\n\nCreate a premium, editorial-style homepage for ZionR(...TRUNCATED)
gpt-5.5-high-webdev
gemini-3.5-flash
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"en\\\">\\n (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"en\\\" clas(...TRUNCATED)
model_b
019f6da4-9593-7830-ab66-81bfa4ec4c8c
019f6da4-5ae6-75bc-9923-21fc02debd3a
2026-07-17T01:15:30.579000+00:00
brand_marketing_and_informational_websites
en
"FIRST CITY DENTISTRY\nPremium Website Build Outline\n\nModern • Premium • Conversion-Focused (...TRUNCATED)
private-12
minimax-m2.7
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"en\\\">\\n (...TRUNCATED)
"{\"files\": [{\"path\": \"SPEC.md\", \"content\": \"# First City Dentistry - Premium Website Specif(...TRUNCATED)
model_a
019fb2db-9e7f-779c-aa5e-22979c772eb2
019fb2db-8e45-7f79-9fab-e81e7a71d56b
2026-07-30T11:49:25.247000+00:00
brand_marketing_and_informational_websites
ru
"Создай полноценный футуристический веб-сайт 2050 года. (...TRUNCATED)
private-4
private-11
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"ru\\\">\\n (...TRUNCATED)
"{\"files\": [{\"path\": \"index.html\", \"content\": \"<!doctype html>\\n<html lang=\\\"en\\\">\\n (...TRUNCATED)
model_a
019f6b65-2dd6-79bf-824c-8ff19b275422
019f6b64-4b18-701b-b256-e144155353d2
2026-07-16T14:47:00.822000+00:00
brand_marketing_and_informational_websites
en
"You are an expert UX/UI designer and frontend developer specializing in fintech applications. Your (...TRUNCATED)
gpt-5.6-sol-xhigh-webdev
gpt-5.5-webdev
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\n \"events\": [\n {\n \"event_index\": 0,\n \"role\": \"user\",\n \"status\": (...TRUNCATED)
"{\"files\": [{\"path\": \"README.md\", \"content\": \"# CardNova\\n\\nCardNova is a responsive cred(...TRUNCATED)
"{\"files\": [{\"path\": \"README.md\", \"content\": \"# CardNova\\n\\nCardNova is a responsive fint(...TRUNCATED)
model_a
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ArenaWebdevPreferences

6,390 pairwise web-development battles from Arena.

Column Description
id row id
session_id Arena session id
timestamp UTC time the session started
category application category
language language of the prompt
prompt the user's request
model_a, model_b the two models compared
generation_trace_a, generation_trace_b each model's full agentic build trace (reasoning, tool calls, tool results)
website_a, website_b each model's final website source files
winner the user's vote: model_a or model_b

The dataset was run through PII de-identification.

License

User prompts are licensed under CC-BY-4.0, and model outputs are governed by the terms of use set by the respective model providers.

Citation 

@misc{chi2026interaction,
  title={Interaction-as-a-Judge},
  author={Wayne Chi and I-Hung Hsu and Li Chen and Wei-Lin Chiang and Ion Stoica and Anastasios Nikolas Angelopoulos and Ameet Talwalkar and Chris Donahue and Cho-Jui Hsieh},
  year={2026},
  eprint={2610.17895},
  archivePrefix={arXiv},
  primaryClass={cs.LG}
}
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Paper for lmarena-ai/arena-webdev-preferences