> ## 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. # TaskClassificationModel ## Example Usage ```typescript theme={null} import { TaskClassificationModel } from "@openrouter/sdk/models"; let value: TaskClassificationModel = { id: "openai/gpt-4.1-mini", tagTokenShare: 0.75, tagUsageShare: 0.55, }; ``` ## Fields | Field | Type | Required | Description | Example | | --------------- | -------- | -------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------- | | `id` | *string* | :heavy\_check\_mark: | Model identifier (permaslug). | openai/gpt-4.1-mini | | `tagTokenShare` | *number* | :heavy\_check\_mark: | Fraction of this classification's sampled token volume attributed to this model (0–1). Sums to ≤1 across the returned models (only top-N are included and unattributed requests are excluded). | 0.75 | | `tagUsageShare` | *number* | :heavy\_check\_mark: | Fraction of this classification's sampled requests attributed to this model (0–1). Sums to ≤1 across the returned models (only top-N are included and unattributed requests are excluded). | 0.55 |