{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/UsageInfo",
  "title": "UsageInfo",
  "description": "Token usage and cost information for a request",
  "properties": {
    "prompt_tokens": {
      "type": "integer",
      "title": "Prompt Tokens",
      "description": "Number of tokens in the prompt/input"
    },
    "completion_tokens": {
      "type": "integer",
      "title": "Completion Tokens",
      "description": "Number of tokens in the completion/output"
    },
    "total_tokens": {
      "type": "integer",
      "title": "Total Tokens",
      "description": "Total tokens used (prompt + completion)"
    },
    "search_context_size": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Search Context Size",
      "description": "Size of search context used"
    },
    "citation_tokens": {
      "anyOf": [
        {
          "type": "integer"
        },
        {
          "type": "null"
        }
      ],
      "title": "Citation Tokens",
      "description": "Number of tokens used for citations"
    },
    "num_search_queries": {
      "anyOf": [
        {
          "type": "integer"
        },
        {
          "type": "null"
        }
      ],
      "title": "Num Search Queries",
      "description": "Number of search queries executed"
    },
    "reasoning_tokens": {
      "anyOf": [
        {
          "type": "integer"
        },
        {
          "type": "null"
        }
      ],
      "title": "Reasoning Tokens",
      "description": "Number of tokens used for reasoning"
    },
    "cost": {
      "$ref": "#/components/schemas/Cost",
      "description": "Cost breakdown for the request"
    }
  },
  "type": "object",
  "required": [
    "prompt_tokens",
    "completion_tokens",
    "total_tokens",
    "cost"
  ]
}