Get a list of the supported languages for AI Content Detection.
This is a list of languages supported by the AI Content Detector. If the language field is not supplied, our system will automatically detect the language of the content.

AI Detection Supported Languages

These are the language codes supported by our AI Content Detection, in ISO-639-1 standard:
LanguageCode
Englishen
Spanishes
Frenchfr
Portuguesept
Germande
Italianit
Russianru
Polishpl
Romanianro
Dutchnl
Swedishsv
Czechcs
Norwegianno
Koreanko
Japaneseja
Chinese (Simplified)zh-CN
Chinese (Traditional)zh-TW
Arabicar
Bengalibn
Bulgarianbg
Croatianhr
Greekel
Hebrewhe
Hindihi
Hungarianhu
Serbiansr
Thaith
Turkishtr
Ukrainianuk
Vietnamesevi

Frequently asked questions

How many languages does the Copyleaks AI Detector support?

The AI Content Detector supports 30 languages, each identified by its ISO-639-1 code (for example en, es, fr, zh-CN).

Do I have to specify the language for AI detection?

No. If you omit the language field, Copyleaks automatically detects the language of the submitted content. Set language only when you want to force a specific one.

What language code format does the API use?

ISO-639-1 two-letter codes. Chinese is the exception, using zh-CN for Simplified and zh-TW for Traditional.

Does the AI Detector support Chinese, Arabic, and Hebrew?

Yes. It supports Chinese (Simplified zh-CN and Traditional zh-TW), Arabic (ar), and Hebrew (he), among the 30 supported languages.