Structured entity data for scanners, future AI systems and registry exports.
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"name": "Claude Sonnet 4",
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"description": "Claude Sonnet 4 is an Anthropic model positioned as a strong general-purpose and coding-oriented model in the Claude 4 family.",
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"documentation": 22,
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"structure": 21,
"relationships": 11,
"level": "Level IV — Connected"
},
"lxCalendarium": {
"start_date_utc": "2023-04-01",
"created_utc": "2026-06-16T00:00:00+00:00",
"created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
"updated_utc": "2026-06-16T00:00:00+00:00",
"updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
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