> ## Documentation Index
> Fetch the complete documentation index at: https://wb-21fd5541-docs-3071-org-scoped-api-keys.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Usage

> TypeScript SDK reference

Defined in: [src/genai/types.ts:37](https://github.com/wandb/weave/blob/8c5f077eb11c42b84000726ff20504abc728d3fb/sdks/node/src/genai/types.ts#L37)

## Properties

### cacheCreationInputTokens

> `optional` **cacheCreationInputTokens**: `number`

Defined in: [src/genai/types.ts:41](https://github.com/wandb/weave/blob/8c5f077eb11c42b84000726ff20504abc728d3fb/sdks/node/src/genai/types.ts#L41)

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### cacheReadInputTokens

> `optional` **cacheReadInputTokens**: `number`

Defined in: [src/genai/types.ts:42](https://github.com/wandb/weave/blob/8c5f077eb11c42b84000726ff20504abc728d3fb/sdks/node/src/genai/types.ts#L42)

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### inputTokens

> `optional` **inputTokens**: `number`

Defined in: [src/genai/types.ts:38](https://github.com/wandb/weave/blob/8c5f077eb11c42b84000726ff20504abc728d3fb/sdks/node/src/genai/types.ts#L38)

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### outputTokens

> `optional` **outputTokens**: `number`

Defined in: [src/genai/types.ts:39](https://github.com/wandb/weave/blob/8c5f077eb11c42b84000726ff20504abc728d3fb/sdks/node/src/genai/types.ts#L39)

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### reasoningTokens

> `optional` **reasoningTokens**: `number`

Defined in: [src/genai/types.ts:40](https://github.com/wandb/weave/blob/8c5f077eb11c42b84000726ff20504abc728d3fb/sdks/node/src/genai/types.ts#L40)