AR
ENT-00001500 · Benchmark

Arena

Arena is a AI benchmark associated with Arena, classified in LXKeys.world as AI Benchmark / Evaluation.

Level V PersistentActiveDocumented
Human record

Overview

LMArena is a human preference ai evaluation platform associated with LMArena. The entity is included because it provides a public reference point for AI governance, evaluation, safety, benchmarking, policy or ecosystem documentation.

Timeline

  1. 2023Chatbot Arena launched

    The LMSYS research project launched public pairwise model evaluation as Chatbot Arena.

  2. 2026-01-28LMArena renamed Arena

    The platform adopted the name Arena and moved its primary public identity to arena.ai.

Capabilities

Public documentation anchorAI governance or evaluation relevanceRelationship mappingRegistry context supportResearch evaluation or discoveryScientific or benchmark utilityStructured evidence generationModel or system analysis

Known limitations

The record documents public identity and source context rather than private internal processes.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.
Technical and structured detail

Technical description

Structured LXKeys.world registry record for Arena. Entity type: Benchmark; classification: AI Benchmark / Evaluation; creator/organization context: LMSYS / Arena. Canonical source anchor: https://arena.ai/. The record tracks source authority, first public appearance, timeline, capabilities, limitations, registry status and graph relationships. Automatic refresh is limited to sources explicitly classified as OFFICIAL and enabled for updates; documentary and research references remain non-authoritative unless reviewed.

Controlled tags

Evaluation SystemDocumented EntityBatch 03 CandidateLMSYSResearch SystemResearchcrowdsourced
Relationship graph

Arena

Open in full graph
Arena
Associated OrganizationOutgoing
LMSYS

LMSYS is the organization or ecosystem associated with Chatbot Arena.

Machine readable layer

Structured entry data for human tools, AI systems and machine clients.

{
    "@context": [
        "https://schema.org",
        {
            "lxw": "https://lxkeys.world/schema/"
        }
    ],
    "@type": "Thing",
    "identifier": "ENT-00001500",
    "name": "Arena",
    "alternateName": [
        "Chatbot Arena",
        "LMArena"
    ],
    "additionalType": {
        "category": "Data and Evaluation",
        "type": "Benchmark",
        "subtype": "",
        "lxkeysEntity": false
    },
    "description": "Arena is a AI benchmark associated with Arena, classified in LXKeys.world as AI Benchmark / Evaluation.",
    "creator": "LMSYS / Arena",
    "url": "https://lxkeys.world/entry.php?id=ENT-00001500&lang=en",
    "sameAs": "https://arena.ai/",
    "image": "",
    "lxkeysWorld": {
        "worldId": "ENT-00001500",
        "kind": "Data and Evaluation",
        "type": "Benchmark",
        "subtype": "",
        "classification": "AI Benchmark / Evaluation",
        "organization": "Arena",
        "originContext": "Community model evaluation",
        "firstPublicAppearance": "2024",
        "currentStatus": "Active",
        "documentationStatus": "Documented",
        "documentationIndex": {
            "total": 94,
            "documentation": 25,
            "evidence": 25,
            "structure": 25,
            "relationships": 19,
            "level": "Level V Persistent"
        },
        "lxCalendarium": {
            "start_date_utc": "2023-04-01",
            "created_utc": "2026-06-16T23:59:14+00:00",
            "created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "updated_utc": "2026-06-16T23:59:14+00:00",
            "updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
        },
        "facts": [],
        "capabilities": [
            "Public documentation anchor",
            "AI governance or evaluation relevance",
            "Relationship mapping",
            "Registry context support",
            "Research evaluation or discovery",
            "Scientific or benchmark utility",
            "Structured evidence generation",
            "Model or system analysis"
        ],
        "limitations": [
            "The record documents public identity and source context rather than private internal processes.",
            "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."
        ],
        "tags": [
            "Evaluation System",
            "Documented Entity",
            "Batch 03 Candidate",
            "LMSYS",
            "Research System",
            "Research",
            "crowdsourced"
        ],
        "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",
                "description": "The platform adopted the name Arena and moved its primary public identity to arena.ai."
            }
        ],
        "relationships": [
            {
                "target": "LMArena",
                "type": "Created or maintained by",
                "description": "LMArena is associated with LMArena.",
                "evidence_level": "documentary"
            },
            {
                "target": "LMSYS",
                "type": "Associated Organization",
                "description": "LMSYS is the organization or ecosystem associated with Chatbot Arena.",
                "evidence_level": "documentary"
            }
        ],
        "sources": [
            {
                "label": "LMArena official reference",
                "url": "https://lmarena.ai/",
                "source_type": "Official or Primary Source",
                "verification_status": "verified",
                "authority": "OFFICIAL",
                "role": "documentation",
                "update_enabled": true,
                "authority_basis": "curated-corpus-refresh-2026-09-08"
            },
            {
                "label": "Arena official site",
                "url": "https://arena.ai/",
                "source_type": "Official Source",
                "verification_status": "verified",
                "authority": "OFFICIAL",
                "role": "primary",
                "update_enabled": true,
                "authority_basis": "curated-corpus-refresh-2026-09-08"
            },
            {
                "label": "Arena rebrand announcement",
                "url": "https://arena.ai/blog/lmarena-is-now-arena",
                "source_type": "Official Source",
                "verification_status": "verified",
                "authority": "OFFICIAL",
                "role": "documentation",
                "update_enabled": true,
                "authority_basis": "curated-corpus-refresh-2026-09-08"
            }
        ],
        "canonical": [],
        "imageMeta": []
    }
}
Proofs

Contribute to this record

Submit a source, correction or comment. Public changes remain moderated.

Submit proof or comment

Approved comments

No approved public comment yet.