Usage Type | OpenRouter TypeScript SDK | OpenRouter

The TypeScript SDK and docs are currently in beta. Report issues on GitHub.

Token usage information for the response

Example Usage

1 import { Usage } from "@openrouter/sdk/models";
2 
3 let value: Usage = {
4   inputTokens: 10,
5   inputTokensDetails: {
6     cachedTokens: 0,
7   },
8   outputTokens: 25,
9   outputTokensDetails: {
10     reasoningTokens: 0,
11   },
12   totalTokens: 35,
13 };

Fields

Field	Type	Required	Description
`inputTokens`	number	✔️	N/A
`inputTokensDetails`	models.InputTokensDetails	✔️	N/A
`outputTokens`	number	✔️	N/A
`outputTokensDetails`	models.OutputTokensDetails	✔️	N/A
`totalTokens`	number	✔️	N/A
`cost`	number	➖	Cost of the completion
`costDetails`	models.UsageCostDetails	➖	N/A
`isByok`	boolean	➖	Whether a request was made using a Bring Your Own Key configuration