ENT-00000518 · Foundation Model

Llama Guard 2

Llama Guard 2 is a documented foundation model associated with Meta.

Level V — PersistentActiveConnected

Human readable record

Overview

Llama Guard 2 is documented as a foundation model or model-family record associated with Meta. Its relevance comes from updated Llama safety model for content classification workflows. The entity is useful for tracing model lineage, provider strategy, capability evolution and relationships between assistants, APIs and downstream products.

Timeline

2024Llama Guard 2 public reference
Llama Guard 2 is publicly documented in relation to Meta.

Capabilities

Language or multimodal model capabilityAPI or deployment integrationReasoning, generation or representation learningModel-family relationship mapping

Known limitations

Capabilities vary by release, deployment setting and evaluation method.Operational details may differ across hosted APIs, open releases or downstream integrations.

Technical and registry detail

Technical description

Structured record for Llama Guard 2. The technical layer identifies entity type Foundation Model, organization Meta, source anchor https://www.llama.com/, capability fields, limitation fields, timeline event, source records, tags (Meta, Llama, Open Model) and graph relationships for machine-readable registry integration.

Controlled tags

MetaLlamaOpen ModelFoundation Model

Relationship graph

Llama Guard 2

Associated OrganizationMeta

Meta is the organization or ecosystem associated with Llama Guard 2.

Creator or DeveloperMeta AI

Meta AI is identified as a creator, developer or originating actor for Llama Guard 2.

Registry CategoryFoundation Models

Model-level entity connected to the foundation-model layer of the registry.

Machine readable layer

Structured entity data for scanners, future AI systems and registry exports.

{
    "@context": "https://schema.org",
    "@type": "Thing",
    "identifier": "ENT-00000518",
    "name": "Llama Guard 2",
    "alternateName": [],
    "additionalType": "Foundation Model",
    "description": "Llama Guard 2 is a documented foundation model associated with Meta.",
    "creator": "Meta AI",
    "url": "entity.php?id=ENT-00000518",
    "sameAs": "https://www.llama.com/",
    "lxkeysWorld": {
        "classification": "Meta model or safety system",
        "organization": "Meta",
        "originContext": "Open model ecosystem",
        "firstPublicAppearance": "2024",
        "currentStatus": "Active",
        "registryStatus": "Connected",
        "spatiumIndex": {
            "total": 88,
            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 25,
            "level": "Level V — Persistent"
        },
        "lxCalendarium": {
            "start_date_utc": "2023-04-01",
            "created_utc": "2026-06-16T23:59:02+00:00",
            "created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "updated_utc": "2026-06-16T23:59:02+00:00",
            "updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "reviewed_utc": "2026-06-16T23:59:02+00:00",
            "reviewed_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
        },
        "capabilities": [
            "Language or multimodal model capability",
            "API or deployment integration",
            "Reasoning, generation or representation learning",
            "Model-family relationship mapping"
        ],
        "limitations": [
            "Capabilities vary by release, deployment setting and evaluation method.",
            "Operational details may differ across hosted APIs, open releases or downstream integrations."
        ],
        "tags": [
            "Meta",
            "Llama",
            "Open Model",
            "Foundation Model"
        ],
        "timeline": [
            {
                "date": "2024",
                "title": "Llama Guard 2 public reference",
                "description": "Llama Guard 2 is publicly documented in relation to Meta."
            }
        ],
        "relationships": [
            {
                "target": "Meta",
                "type": "Associated Organization",
                "description": "Meta is the organization or ecosystem associated with Llama Guard 2.",
                "evidence_level": "documentary"
            },
            {
                "target": "Meta AI",
                "type": "Creator or Developer",
                "description": "Meta AI is identified as a creator, developer or originating actor for Llama Guard 2.",
                "evidence_level": "documentary"
            },
            {
                "target": "Foundation Models",
                "type": "Registry Category",
                "description": "Model-level entity connected to the foundation-model layer of the registry.",
                "evidence_level": "documentary"
            }
        ],
        "sources": [
            {
                "label": "Llama Guard 2 official reference",
                "url": "https://www.llama.com/",
                "source_type": "Official Documentation",
                "verification_status": "verified"
            }
        ]
    }
}

Proof and discussion layer

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