ENT-00001666 · Foundation Model

Yi 1.5 9B

Yi 1.5 9B is a open foundation language model associated with 01.AI.

Level IV — ConnectedActiveConnected

Human readable record

Overview

Yi 1.5 9B is a documented AI model or assistant-related entity associated with 01.AI. The record focuses on its public identity, release context, capability class, source lineage and relationship to adjacent model or product families.

Timeline

2023Yi 1.5 9B public documentation anchor
Yi 1.5 9B appears in public documentation or stable reference sources as a open foundation language model associated with 01.AI.

Capabilities

Language modelingInstruction followingBenchmarkable AI capability

Known limitations

The record describes the public identity and documented role of the entity, not private implementation details.Capabilities depend on version, deployment context, access conditions and the available public documentation.

Technical and registry detail

Technical description

Structured record for Yi 1.5 9B. The technical layer identifies entity type, classification, creator or organization, public source anchors, timeline entry, capabilities, limitations, registry status and graph relationships. Source anchor: https://huggingface.co/01-ai/Yi-1.5-9B.

Controlled tags

Foundation ModelModel VariantAI Model

Relationship graph

Yi 1.5 9B

Created by01.AI

Yi 1.5 9B is associated with 01.AI through its documented source context.

Machine readable layer

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

{
    "@context": "https://schema.org",
    "@type": "Thing",
    "identifier": "ENT-00001666",
    "name": "Yi 1.5 9B",
    "alternateName": [],
    "additionalType": "Foundation Model",
    "description": "Yi 1.5 9B is a open foundation language model associated with 01.AI.",
    "creator": "01.AI",
    "url": "entity.php?id=ENT-00001666",
    "sameAs": "https://huggingface.co/01-ai/Yi-1.5-9B",
    "lxkeysWorld": {
        "classification": "open foundation language model",
        "organization": "01.AI",
        "originContext": "Public AI and technical record",
        "firstPublicAppearance": "2023",
        "currentStatus": "Active",
        "registryStatus": "Connected",
        "spatiumIndex": {
            "total": 74,
            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 11,
            "level": "Level IV — Connected"
        },
        "lxCalendarium": {
            "start_date_utc": "2023-04-01",
            "created_utc": "2026-06-16T23:59:28+00:00",
            "created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "updated_utc": "2026-06-16T23:59:28+00:00",
            "updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "reviewed_utc": "2026-06-16T23:59:28+00:00",
            "reviewed_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
        },
        "capabilities": [
            "Language modeling",
            "Instruction following",
            "Benchmarkable AI capability"
        ],
        "limitations": [
            "The record describes the public identity and documented role of the entity, not private implementation details.",
            "Capabilities depend on version, deployment context, access conditions and the available public documentation."
        ],
        "tags": [
            "Foundation Model",
            "Model Variant",
            "AI Model"
        ],
        "timeline": [
            {
                "date": "2023",
                "title": "Yi 1.5 9B public documentation anchor",
                "description": "Yi 1.5 9B appears in public documentation or stable reference sources as a open foundation language model associated with 01.AI."
            }
        ],
        "relationships": [
            {
                "target": "01.AI",
                "type": "Created by",
                "description": "Yi 1.5 9B is associated with 01.AI through its documented source context.",
                "evidence_level": "documentary"
            }
        ],
        "sources": [
            {
                "label": "Model card or official model documentation",
                "url": "https://huggingface.co/01-ai/Yi-1.5-9B",
                "source_type": "Official Documentation",
                "verification_status": "verified"
            }
        ]
    }
}

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