> ## 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.

# TaskClassificationResponseData

## Fields

| Field              | Type                                                                                                   | Required             | Description                                                                                                                                                                                                          | Example    |
| ------------------ | ------------------------------------------------------------------------------------------------------ | -------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------- |
| `as_of`            | *str*                                                                                                  | :heavy\_check\_mark: | UTC date (YYYY-MM-DD) of the window upper bound (yesterday). Data is exclusive of the current incomplete UTC day. This is the expected latest date in the snapshot; it does not confirm data presence for that date. | 2026-06-17 |
| `classifications`  | List\[[components.TaskClassificationItem](../components/taskclassificationitem.mdx)]                   | :heavy\_check\_mark: | Per-task classification market-share data, sorted by usage\_share descending.                                                                                                                                        |            |
| `macro_categories` | List\[[components.TaskClassificationMacroCategory](../components/taskclassificationmacrocategory.mdx)] | :heavy\_check\_mark: | Aggregate market-share data per macro-category (code, data, agent, general).                                                                                                                                         |            |
| `window_days`      | *int*                                                                                                  | :heavy\_check\_mark: | Number of trailing days covered by this snapshot.                                                                                                                                                                    | 7          |