> This page is for version v2026-02-09 (default).
> For other versions, use one of these documentation indexes:
> - v2026-02-09 (default): https://docs.extend.ai/2026-02-09/llms.txt
> - v2025-04-21: https://docs.extend.ai/2025-04-21/llms.txt
> - v2024-12-23: https://docs.extend.ai/2024-12-23/llms.txt

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.extend.ai/llms.txt
> Use this file to discover all available pages before exploring further.
>
> ## API version
> The current API version is `2026-02-09`, served at the site root (no version prefix in URLs).
> If this page URL contains `/2025-04-21/` or `/2024-12-23/`, you are reading an older API version.
> Prefer the current docs at https://docs.extend.ai/llms.txt unless the user explicitly needs that older version.
> Do not treat older-version pages as the source of truth for new integrations.

# Classification Standard

> Changelog for the Classification Standard base processor in Extend.

Our consolidated classification processor. Optimized for both accuracy, speed and cost.

## Versions

| Version | Date       | Changelog                                                                          |
| ------- | ---------- | ---------------------------------------------------------------------------------- |
| `1.1.0` | 2026-09-18 | Minor model upgrade for increased accuracy.                                        |
| `1.0.0` | 2026-05-21 | Initial versioned release of our consolidated `classification_standard` processor. |