What languages does GPTZero support?

Last updated: September 2, 2026

GPTZero detects AI-generated content in English and 20+ additional languages. The full list of supported languages is below:

Supported languages

  • English

  • Arabic

  • Bahasa

  • Bulgarian

  • Catalan

  • Chinese

  • Croatian

  • Czech

  • Dutch

  • French

  • German

  • Greek

  • Italian

  • Japanese

  • Korean

  • Polish

  • Portuguese

  • Romanian

  • Russian

  • Slovak

  • Slovenian

  • Spanish

  • Ukrainian

  • Vietnamese

For more information on our multilingual capabilities and accuracy across these languages, refer to our blog post on the topic: https://gptzero.me/news/what-is-the-best-ai-detector-for-multi-language-detection/