E
ENT-00000687 · Foundation Model

ELMo

ELMo is a documented foundation model associated with Allen AI.

Level V — PersistentActiveDocumented
Human readable record

Overview

ELMo is documented as a foundation model or model-family record associated with Allen AI. Its relevance comes from contextual language representation model predating transformer dominance. The entity is useful for tracing model lineage, provider strategy, capability evolution and relationships between assistants, APIs and downstream products.

Timeline

  1. 2018ELMo public reference

    ELMo is publicly documented in relation to Allen AI.

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 ELMo. The technical layer identifies entity type Foundation Model, organization Allen AI, source anchor https://allenai.org/allennlp/software/elmo, capability fields, limitation fields, timeline event, source records, tags (Allen AI, Foundation Model, Research) and graph relationships for machine-readable registry integration.

Controlled tags

Allen AIFoundation ModelResearchcontextual
Relationship graph
ELMo
Associated OrganizationAllen AI

Allen AI is the organization or ecosystem associated with ELMo.

Creator or DeveloperAllen Institute for AI

Allen Institute for AI is identified as a creator, developer or originating actor for ELMo.

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-00000687",
    "name": "ELMo",
    "alternateName": [],
    "additionalType": "Foundation Model",
    "description": "ELMo is a documented foundation model associated with Allen AI.",
    "creator": "Allen Institute for AI",
    "url": "entity.php?id=ENT-00000687",
    "sameAs": "https://allenai.org/allennlp/software/elmo",
    "lxkeysWorld": {
        "classification": "contextual word embedding model",
        "organization": "Allen AI",
        "originContext": "Research model",
        "firstPublicAppearance": "2018",
        "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": [
            "Allen AI",
            "Foundation Model",
            "Research",
            "contextual"
        ],
        "timeline": [
            {
                "date": "2018",
                "title": "ELMo public reference",
                "description": "ELMo is publicly documented in relation to Allen AI."
            }
        ],
        "relationships": [
            {
                "target": "Allen AI",
                "type": "Associated Organization",
                "description": "Allen AI is the organization or ecosystem associated with ELMo.",
                "evidence_level": "documentary"
            },
            {
                "target": "Allen Institute for AI",
                "type": "Creator or Developer",
                "description": "Allen Institute for AI is identified as a creator, developer or originating actor for ELMo.",
                "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": "ELMo official reference",
                "url": "https://allenai.org/allennlp/software/elmo",
                "source_type": "Official Documentation",
                "verification_status": "verified"
            }
        ]
    }
}
Proof and discussion layer

Contribute to this record

Submit a proof, correction or comment. Public display is moderated. Every submission remains preserved in the export archive.

Submit proof or comment

Approved comments

No approved public comment yet.