> ## Documentation Index > Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # DisplayFormat How this metric value should be formatted for display (e.g. percent → multiply by 100 and append %, currency → prefix with \$) ## Example Usage ```python theme={null} from openrouter.operations import DisplayFormat # Open enum: unrecognized values are captured as UnrecognizedStr value: DisplayFormat = "number" ``` ## Values This is an open enum. Unrecognized values will not fail type checks. * `"number"` * `"currency"` * `"percent"` * `"latency"` * `"throughput"`