Structured entry data for human tools, AI systems and machine clients.
{
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"@type": "Thing",
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"name": "Arena",
"alternateName": [
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"LMArena"
],
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},
"description": "Arena is a AI benchmark associated with Arena, classified in LXKeys.world as AI Benchmark / Evaluation.",
"creator": "LMSYS / Arena",
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"sameAs": "https://arena.ai/",
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"originContext": "Community model evaluation",
"firstPublicAppearance": "2024",
"currentStatus": "Active",
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"structure": 25,
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"level": "Level V Persistent"
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"lxCalendarium": {
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"created_utc": "2026-06-16T23:59:14+00:00",
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"updated_utc": "2026-06-16T23:59:14+00:00",
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"Interpretation depends on the entity category, source scope and publication context.",
"Capabilities vary by release, deployment setting and evaluation method.",
"Operational details may differ across hosted APIs, open releases or downstream integrations."
],
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"Batch 03 Candidate",
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"timeline": [
{
"date": "2023",
"title": "Chatbot Arena launched",
"description": "The LMSYS research project launched public pairwise model evaluation as Chatbot Arena."
},
{
"date": "2026-01-28",
"title": "LMArena renamed Arena",
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{
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