O
ENT-00000810 · Foundation Model

Orca

Orca is a documented foundation model associated with Microsoft.

Level V — PersistentActiveDocumented
Human readable record

Overview

Orca is documented as a foundation model or model-family record associated with Microsoft. Its relevance comes from Microsoft research model series using explanation traces for training. The entity is useful for tracing model lineage, provider strategy, capability evolution and relationships between assistants, APIs and downstream products.

Timeline

  1. 2023Orca public reference

    Orca is publicly documented in relation to Microsoft.

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 Orca. The technical layer identifies entity type Foundation Model, organization Microsoft, source anchor https://www.microsoft.com/en-us/research/project/orca/, capability fields, limitation fields, timeline event, source records, tags (Microsoft, Foundation Model, Documented AI) and graph relationships for machine-readable registry integration.

Controlled tags

MicrosoftFoundation ModelDocumented AI
Relationship graph
Orca
Associated OrganizationMicrosoft

Microsoft is the organization or ecosystem associated with Orca.

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-00000810",
    "name": "Orca",
    "alternateName": [],
    "additionalType": "Foundation Model",
    "description": "Orca is a documented foundation model associated with Microsoft.",
    "creator": "Microsoft",
    "url": "entity.php?id=ENT-00000810",
    "sameAs": "https://www.microsoft.com/en-us/research/project/orca/",
    "lxkeysWorld": {
        "classification": "Microsoft model or AI system",
        "organization": "Microsoft",
        "originContext": "Open model or developer AI",
        "firstPublicAppearance": "2023",
        "currentStatus": "Active",
        "registryStatus": "Documented",
        "spatiumIndex": {
            "total": 82,
            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 19,
            "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": [
            "Microsoft",
            "Foundation Model",
            "Documented AI"
        ],
        "timeline": [
            {
                "date": "2023",
                "title": "Orca public reference",
                "description": "Orca is publicly documented in relation to Microsoft."
            }
        ],
        "relationships": [
            {
                "target": "Microsoft",
                "type": "Associated Organization",
                "description": "Microsoft is the organization or ecosystem associated with Orca.",
                "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": "Orca official reference",
                "url": "https://www.microsoft.com/en-us/research/project/orca/",
                "source_type": "Official Documentation",
                "verification_status": "verified"
            }
        ]
    }
}
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