> For the complete documentation index, see [llms.txt](https://docs.plumvoice.com/dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.plumvoice.com/dev/developer-reference/available-asr-engines.md).

# Available ASR Engines

The following ASR engines are currently available for use:

* Nuance OSR 3.0
* Nuance Recognizer 9
* Nuance Recognizer 11 (beta\*)

{% hint style="warning" %}
**\* BETA FEATURE:**

The Recognizer 11 ASR engine is currently available as a **beta feature**. Further testing and updates may take place while Recognizer 11 is in beta.

We encourage you to share feedback at **<beta@plumgroup.com>**.
{% endhint %}