{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/Model", "title": "Model", "type": "object", "description": "Represents a model available through the Agent API.", "properties": { "id": { "type": "string", "description": "The model identifier in `provider/model-name` format. Use this value as the `model` parameter in Agent API requests.", "example": "openai/gpt-5.4" }, "object": { "type": "string", "description": "The object type, which is always `model`.", "enum": [ "model" ], "example": "model" }, "created": { "type": "integer", "description": "The Unix timestamp (in seconds) when the model was created.", "example": 0 }, "owned_by": { "type": "string", "description": "The provider that owns the model (e.g. `openai`, `anthropic`, `google`, `perplexity`, `xai`, `nvidia`).", "example": "openai" } }, "required": [ "id", "object", "created", "owned_by" ] }