claude:Usage
Token usage information for a Claude API call.
Tracks input tokens, output tokens, and total tokens consumed.
Properties
claude:inputTokens (optional, max 1)
Number of tokens in the input.
Usage may specify input token count (non-negative).
Tokens consumed from the prompt and messages.
claude:outputTokens (optional, max 1)
Number of tokens in the output.
Usage may specify output token count (non-negative).
Tokens generated in the completion.