> ## 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. # OperatorName Operator identifier used in filter definitions ## Example Usage ```python theme={null} from openrouter.operations import OperatorName # Open enum: unrecognized values are captured as UnrecognizedStr value: OperatorName = "eq" ``` ## Values This is an open enum. Unrecognized values will not fail type checks. * `"eq"` * `"neq"` * `"in"` * `"not_in"` * `"gt"` * `"gte"` * `"lt"` * `"lte"`