> ## 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. # ChatRequestEffort Constrains effort on reasoning for reasoning models ## Example Usage ```typescript theme={null} import { ChatRequestEffort } from "@openrouter/sdk/models"; let value: ChatRequestEffort = "medium"; // Open enum: unrecognized values are captured as Unrecognized ``` ## Values ```typescript theme={null} "max" | "xhigh" | "high" | "medium" | "low" | "minimal" | "none" | Unrecognized ```