--- title: "ReasoningMode" --- Selects the reasoning mode. `standard` is the default; `pro` engages deeper reasoning on models that support it, billed at standard token rates. Only supported by OpenAI GPT-5.6 and newer. ## Example Usage ```python from openrouter.components import ReasoningMode # Open enum: unrecognized values are captured as UnrecognizedStr value: ReasoningMode = "standard" ``` ## Values This is an open enum. Unrecognized values will not fail type checks. - `"standard"` - `"pro"`