> For the complete documentation index, see [llms.txt](https://docs.aibrow.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.aibrow.ai/api-reference/aibrow/languagedetector.md).

# LanguageDetector

## Static Methods

### <mark style="background-color:red;">static</mark> availability

`static async availability(options) =>`  [`AIModelAvailability`](/api-reference/types/aimodelavailability.md)&#x20;

Get the availability of the on-device language model.

| Options (optional)                                                                                              |
| --------------------------------------------------------------------------------------------------------------- |
| **options** `optional` [`LanguageDetectorCreateOptions`](/api-reference/types/languagedetectorcreateoptions.md) |

Returns the availability

### <mark style="background-color:red;">static</mark> compatibility <mark style="background-color:green;">extension</mark> <mark style="background-color:purple;">web</mark>

`static async compatibility(options) =>`  [`AIModelCoreCompatibility`](/api-reference/types/aimodelcorecompatibility.md)&#x20;

Get the availability of the on-device language model.

| Options (optional)                                                                                              |
| --------------------------------------------------------------------------------------------------------------- |
| **options** `optional` [`LanguageDetectorCreateOptions`](/api-reference/types/languagedetectorcreateoptions.md) |

Returns the compatibility

### <mark style="background-color:red;">static</mark> create

`static async create(options) =>` [`LanguageDetector`](/api-reference/aibrow/languagedetector.md)&#x20;

Creates a new embedding session

| Options (optional)                                                                                              |
| --------------------------------------------------------------------------------------------------------------- |
| **options** `optional` [`LanguageDetectorCreateOptions`](/api-reference/types/languagedetectorcreateoptions.md) |

Returns a new LanguageDetector session that can be prompted with the pre-provided configuration

***

## Properties

### gpuEngine <mark style="background-color:green;">extension</mark> <mark style="background-color:purple;">web</mark>

[`AIModelGpuEngine`](/api-reference/types/aimodelgpuengine.md)&#x20;

### dtype <mark style="background-color:green;">extension</mark> <mark style="background-color:purple;">web</mark>

[`AIModelDtype`](/api-reference/types/aimodeldtype.md)&#x20;

### flashAttention <mark style="background-color:green;">extension</mark> <mark style="background-color:purple;">web</mark>

`boolean`

### contextSize

`number`&#x20;

### inputQuota

`number`&#x20;

### expectedInputLanguages

`string[]`&#x20;

***

## Methods

### detect

`async (input, options) =>` [`LanguageDetectorDetectResult`](/api-reference/types/languagedetectordetectresult.md)`[]`

This prompts the language model to detect which language is being used in the input text

| Input      |
| ---------- |
| A `string` |

| Options (optional)                |
| --------------------------------- |
| **signal** `optional AbortSignal` |

Returns an array of detection results from the language model

### measureInputUsage

`async (input, options) =>` `number`

Measures the prompt usage of the input

| Input      |
| ---------- |
| A `string` |

| Options (optional)                |
| --------------------------------- |
| **signal** `optional AbortSignal` |

Returns prompt usage based on the input