{ "$schema": "https://json-schema.org/draft/2020-12/schema", "title": "ModelInfo", "type": "object", "description": "Metadata about a Claude model.", "properties": { "id": { "type": "string", "description": "Unique model identifier." }, "type": { "type": "string", "description": "Object type. Always \"model\" for model objects." }, "display_name": { "type": "string", "description": "A human-readable name for the model." }, "created_at": { "type": "string", "description": "RFC 3339 datetime string representing when the model was released." } } }