Supported Languages & Features
AssemblyAI supports a wide range of languages across our speech-to-text models for pre-recorded audio. The available languages and features vary by model. Check out the Models page to learn more about our different models and how to choose the best one for your use case. See our Model selection page for more details on specifying a model in your request.
Universal-3-Pro
Universal-2
Breakdown of Universal-2 language support
High accuracy (≤ 10% WER)
English, Spanish, French, German, Indonesian, Italian, Japanese, Dutch, Polish, Portuguese, Russian, Turkish, Ukrainian, Catalan
Good accuracy (>10% to ≤25% WER)
Arabic, Azerbaijani, Bulgarian, Bosnian, Mandarin Chinese, Czech, Danish, Greek, Estonian, Finnish, Galician, Hindi, Croatian, Hungarian, Korean, Macedonian, Malay, Norwegian, Romanian, Slovak, Swedish, Swiss German, Tagalog, Thai, Urdu, Vietnamese
Moderate accuracy (>25% to ≤50% WER)
Afrikaans, Belarusian, Welsh, Persian (Farsi), Hebrew, Armenian, Icelandic, Kazakh, Lithuanian, Latvian, Maori, Marathi, Slovenian, Swahili, Tamil
Fair accuracy (>50% WER)
Amharic, Assamese, Bengali, Gujarati, Hausa, Javanese, Georgian, Khmer, Kannada, Luxembourgish, Lingala, Lao, Malayalam, Mongolian, Maltese, Burmese, Nepali, Occitan, Punjabi, Pashto, Sindhi, Shona, Somali, Serbian, Telugu, Tajik, Uzbek, Yoruba
