S2
ENT-00000944 · Foundation Model

SAM 2

SAM 2 is a documented foundation model associated with Meta.

Level V — PersistentActiveDocumented
Human readable record

Overview

SAM 2 is documented as a foundation model or model-family record associated with Meta. Its relevance comes from Meta model for segmenting objects in images and video. The entity is useful for tracing model lineage, provider strategy, capability evolution and relationships between assistants, APIs and downstream products.

Timeline

  1. 2024SAM 2 public reference

    SAM 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 SAM 2. The technical layer identifies entity type Foundation Model, organization Meta, source anchor https://ai.meta.com/sam2/, capability fields, limitation fields, timeline event, source records, tags (Meta, Foundation Model, Documented AI) and graph relationships for machine-readable registry integration.

Controlled tags

MetaFoundation ModelDocumented AIimage
Relationship graph
SAM 2
Associated OrganizationMeta

Meta is the organization or ecosystem associated with SAM 2.

Creator or DeveloperMeta AI

Meta AI is identified as a creator, developer or originating actor for SAM 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-00000944",
    "name": "SAM 2",
    "alternateName": [],
    "additionalType": "Foundation Model",
    "description": "SAM 2 is a documented foundation model associated with Meta.",
    "creator": "Meta AI",
    "url": "entity.php?id=ENT-00000944",
    "sameAs": "https://ai.meta.com/sam2/",
    "lxkeysWorld": {
        "classification": "image and video segmentation model",
        "organization": "Meta",
        "originContext": "Computer vision model",
        "firstPublicAppearance": "2024",
        "currentStatus": "Active",
        "registryStatus": "Documented",
        "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",
            "Foundation Model",
            "Documented AI",
            "image"
        ],
        "timeline": [
            {
                "date": "2024",
                "title": "SAM 2 public reference",
                "description": "SAM 2 is publicly documented in relation to Meta."
            }
        ],
        "relationships": [
            {
                "target": "Meta",
                "type": "Associated Organization",
                "description": "Meta is the organization or ecosystem associated with SAM 2.",
                "evidence_level": "documentary"
            },
            {
                "target": "Meta AI",
                "type": "Creator or Developer",
                "description": "Meta AI is identified as a creator, developer or originating actor for SAM 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": "SAM 2 official reference",
                "url": "https://ai.meta.com/sam2/",
                "source_type": "Official Documentation",
                "verification_status": "verified"
            }
        ]
    }
}
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