Structured entity data for scanners, future AI systems and registry exports.
{
"@context": "https://schema.org",
"@type": "Thing",
"identifier": "ENT-00000511",
"name": "Claude 2.1",
"alternateName": [],
"additionalType": "Foundation Model",
"description": "Claude 2.1 is a documented foundation model associated with Anthropic.",
"creator": "Anthropic",
"url": "entity.php?id=ENT-00000511",
"sameAs": "https://docs.anthropic.com/en/docs/about-claude/models/overview",
"lxkeysWorld": {
"classification": "Anthropic Claude model",
"organization": "Anthropic",
"originContext": "Foundation model",
"firstPublicAppearance": "2023",
"currentStatus": "Active",
"registryStatus": "Connected",
"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": [
"Anthropic",
"Claude",
"Foundation Model"
],
"timeline": [
{
"date": "2023",
"title": "Claude 2.1 public reference",
"description": "Claude 2.1 is publicly documented in relation to Anthropic."
}
],
"relationships": [
{
"target": "Anthropic",
"type": "Associated Organization",
"description": "Anthropic is the organization or ecosystem associated with Claude 2.1.",
"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": "Claude 2.1 official reference",
"url": "https://docs.anthropic.com/en/docs/about-claude/models/overview",
"source_type": "Official Documentation",
"verification_status": "verified"
}
]
}
}