---
name: natural-language-understanding-language-support
title: Language support
description: ''
last-updated: 2023-03-09
---

> ## Documentation Index
> The table of contents for this documentation set is at https://cloud.ibm.com/docs/natural-language-understanding?format=markdown
> The index for all IBM Cloud docs is at: https://cloud.ibm.com/docs/llms.txt
> Use these files to discover more information as needed.

{:shortdesc: .shortdesc}
{:new_window: target="_blank"}
{:note: .note}
{:tip: .tip}
{:pre: .pre}
{:codeblock: .codeblock}
{:screen: .screen}
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{:java: .ph data-hd-programlang='java'}
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# Language support
{: #language-support}

Natural Language Understanding supports a variety of languages depending on which features you analyze. Currently, English is the only language that is supported across all features. The rest of the languages have limited support. To jump to the list of features that are compatible with a language, click the language in the following list.

- [Arabic](#arabic)
- [Chinese (Simplified)](#chinese-simplified)
- [Czech](#czech)
- [Danish](#danish)
- [Dutch](#dutch)
- [English](#english)
- [Finnish](#finnish)
- [French](#french)
- [German](#german)
- [Hebrew](#hebrew)
- [Hindi](#hindi)
- [Italian](#italian)
- [Japanese](#japanese)
- [Korean](#korean)
- [Norwegian](#norwegian)
- [Norwegian (Bokmal)](#norwegian-bokmal)
- [Norwegian (Nyorsk)](#norwegian-nyorsk)
- [Polish](#polish)
- [Portuguese](#portuguese)
- [Romanian](#romanian)
- [Russian](#russian)
- [Slovak](#slovak)
- [Spanish](#spanish)
- [Swedish](#swedish)
- [Turkish](#turkish)

Language support might be different if you are a IBM Cloud® Dedicated customer. If you are using IBM Cloud® Dedicated, check with your IBM salesperson to confirm which languages are supported in your environment.
{: tip}

## Arabic
{: #arabic}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | X | |
| Classifications | | X |
| Concepts | | |
| Emotion | | |
| Entities | X* | X |
| Keywords | X | |
| Metadata | X | |
| Relations | X | X |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Chinese (Simplified)
{: #chinese-simplified}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | X | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | X |
| Keywords | X | |
| Metadata | | |
| Relations | | X |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Czech
{: #czech}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Danish
{: #danish}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Dutch
{: #dutch}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | X | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | X |
| Keywords | X | |
| Metadata | | |
| Relations | | X |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## English
{: #english}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | X | X (Beta) |
| Classifications | X* | X |
| Concepts | X | |
| Emotion | X | |
| Entities | X | X |
| Keywords | X | |
| Metadata | X | |
| Relations | X | X |
| Semantic roles | X | |
| Sentiment | X | |
| Syntax | X | |

\* Indicates support for tone analysis; see [Tone analytics (Classifications)](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-tone_analytics&format=markdown) for more information.

## Finnish
{: #finnish}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## French
{: #french}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | X | |
| Classifications | X* | X |
| Concepts | X | |
| Emotion | X | |
| Entities | X | X |
| Keywords | X | |
| Metadata | X | |
| Relations | X | X |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Indicates support for tone analysis; see [Tone analytics (Classifications)](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-tone_analytics&format=markdown) for more information.

## German
{: #german}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | X | |
| Classifications | | X |
| Concepts | X | |
| Emotion | | |
| Entities | X | X |
| Keywords | X | |
| Metadata | X | |
| Relations | X | X |
| Semantic roles | X | |
| Sentiment | X | |
| Syntax | X | |

## Hebrew
{: #hebrew}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Hindi
{: #hindi}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Italian
{: #italian}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | X | |
| Classifications | | X |
| Concepts | X | |
| Emotion | | |
| Entities | X | X |
| Keywords | X | |
| Metadata | X | |
| Relations | X | X |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

## Japanese
{: #japanese}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | X | |
| Classifications | | X |
| Concepts | X | |
| Emotion | | |
| Entities | X | X |
| Keywords | X | |
| Metadata | X | |
| Relations | X | X |
| Semantic roles | X | |
| Sentiment | X | |
| Syntax | X | |

## Korean
{: #korean}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | X | |
| Classifications | | X |
| Concepts | X | |
| Emotion | | |
| Entities | X | X |
| Keywords | X | |
| Metadata | X | |
| Relations | X | X |
| Semantic roles | X | |
| Sentiment | X | |
| Syntax | X | |

## Norwegian
{: #norwegian}

Please note that Natural Language Understanding considers Norwegian (standard language code `no`) as equivalent to Norwegian-Bokmal (standard language code `nb`), and uses the same Norwegian-Bokmal model for both language codes.
{: note}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Norwegian (Bokmal)
{: #norwegian-bokmal}

Please note that Natural Language Understanding considers Norwegian (standard language code `no`) as equivalent to Norwegian-Bokmal (standard language code `nb`), and uses the same Norwegian-Bokmal model for both language codes.
{: note}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Norwegian (Nyorsk)
{: #norwegian-nyorsk}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Polish
{: #polish}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Portuguese
{: #portuguese}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | X | |
| Classifications | | X |
| Concepts | X | |
| Emotion | | |
| Entities | X | X |
| Keywords | X | |
| Metadata | X | |
| Relations | X | X |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

## Romanian
{: #romanian}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Russian
{: #russian}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | X | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Slovak
{: #slovak}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Spanish
{: #spanish}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | X | |
| Classifications | | X |
| Concepts | X | |
| Emotion | | |
| Entities | X | X |
| Keywords | X | |
| Metadata | X | |
| Relations | X | X |
| Semantic roles | X | |
| Sentiment | X | |
| Syntax | X | |

## Swedish
{: #swedish}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | X | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.

## Turkish
{: #turkish}

| Feature | Standard Support | [Custom model](https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-customizing&format=markdown) support |
| --- | --- | --- |
| Categories | | |
| Classifications | | |
| Concepts | | |
| Emotion | | |
| Entities | X* | |
| Keywords | X | |
| Metadata | | |
| Relations | | |
| Semantic roles | | |
| Sentiment | X | |
| Syntax | X | |

\* Relevance ranking is not supported.