Excellent Accuracy (≤ 5% Word Error Rate - WER)
Bulgarian, Catalan, Czech, Danish, Dutch, English, Finnish, French, Galician, German, Greek, Hindi, Indonesian, Italian, Japanese, Kannada, Malay, Malayalam, Macedonian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Spanish, Swedish, Turkish, Ukrainian, Vietnamese
High Accuracy (>5% to ≤10% WER)
Bengali, Belarusian, Bosnian, Cantonese, Estonian, Filipino, Gujarati, Hungarian, Kazakh, Latvian, Lithuanian, Mandarin, Marathi, Nepali, Odia, Persian, Slovenian, Tamil, Telugu
Good (>10% to ≤25% WER)
Afrikaans, Arabic, Armenian, Assamese, Asturian, Azerbaijani, Burmese, Cebuano, Croatian, Georgian, Hausa, Hebrew, Icelandic, Javanese, Kabuverdianu, Korean, Kyrgyz, Lingala, Maltese, Mongolian, Māori, Occitan, Punjabi, Sindhi, Swahili, Tajik, Thai, Urdu, Uzbek, Welsh
Moderate (>25% to ≤50% WER)
Amharic, Chichewa, Fulah, Ganda, Igbo, Irish, Khmer, Kurdish, Lao, Luxembourgish, Luo, Northern Sotho, Pashto, Shona, Somali, Umbundu, Wolof, Xhosa, Zulu