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.
Documentation Index
Fetch the complete documentation index at: /docs/llms.txt
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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.
import { ReasoningMode } from "@openrouter/sdk/models";
let value: ReasoningMode = "standard";
// Open enum: unrecognized values are captured as Unrecognized<string>
"standard" | "pro" | Unrecognized<string>