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Cleft can attempt transcription in 60+ languages. The 58 listed below have good accuracy based on Whisper benchmarks. US English gets the best results. Everything else uses the same model but hasn’t been officially tested.

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Changing Your Language

Go to Settings > General and use the Transcription Language picker. Choose a specific language or leave it on Auto-Detect.
See the full list of Whisper-supported languages on OpenAI’s docs.

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Supported Languages

Based on Whisper benchmarks, these 57 languages score below 50% word error rate (WER), the standard threshold for usable speech-to-text accuracy:
  • Afrikaans
  • Arabic
  • Armenian
  • Azerbaijani
  • Belarusian
  • Bosnian
  • Bulgarian
  • Catalan
  • Chinese
  • Croatian
  • Czech
  • Danish
  • Dutch
  • English
  • Estonian
  • Finnish
  • French
  • Galician
  • German
  • Greek
  • Hebrew
  • Hindi
  • Hungarian
  • Icelandic
  • Indonesian
  • Italian
  • Japanese
  • Kannada
  • Kazakh
  • Korean
  • Latvian
  • Lithuanian
  • Macedonian
  • Malay
  • Marathi
  • Maori
  • Nepali
  • Norwegian
  • Persian
  • Polish
  • Portuguese
  • Romanian
  • Russian
  • Serbian
  • Slovak
  • Slovenian
  • Spanish
  • Swahili
  • Swedish
  • Tagalog
  • Tamil
  • Thai
  • Turkish
  • Ukrainian
  • Urdu
  • Vietnamese
  • Welsh
Languages not listed above may still return results, but you might see garbled output or mixed-language text. Want official support for another language? Let us know at support@cleftnotes.com.