> ## Documentation Index > Fetch the complete documentation index at: https://docs.cognigy.com/llms.txt > Use this file to discover all available pages before exploring further. # TTS and STT Vendors > Explore the cloud-based and on-premises TTS and STT vendors supported by Cognigy Voice Gateway, including AWS, Microsoft, Google, Deepgram, and ElevenLabs. View all supported languages and voices per provider. Updated in 2026.4 ## Supported TTS and STT Providers The table shows the cloud-based and on-premises TTS (Text-to-Speech) and STT (Speech-to-Text) providers supported by Cognigy Voice Gateway.
Provider Cloud-Based On-Premises
TTS STT TTS STT
AWS + + - -
Deepgram + + + +
Deepgram Flux - + - -
ElevenLabs + + - -
Google + + - -
Microsoft + + + +
Nuance + + + +
Speechmatics1 + + - -
Custom + + + +
## Supported Languages and Voices The following sections list the languages and voices available for each provider in Voice Gateway. ### AWS **Amazon Polly** — 29 languages, 61 voices: * Arabic * Australian English * Brazilian Portuguese * British English * Canadian French * Castilian Spanish * Chinese Mandarin * Danish * Dutch * French * German * Hindi * Icelandic * Indian English * Italian * Japanese * Korean * Mexican Spanish * Norwegian * Polish * Portuguese * Romanian * Russian * Swedish * Turkish * US English * US Spanish * Welsh * Welsh English **Amazon Transcribe** — 102 languages: * Abkhaz * Afrikaans * Arabic, Gulf * Arabic, Modern Standard * Armenian * Asturian * Azerbaijani * Bashkir * Basque * Belarusian * Bengali * Bosnian * Bulgarian * Catalan * Central Kurdish, Iran * Central Kurdish, Iraq * Chinese, Simplified * Chinese, Traditional * Croatian * Czech * Danish * Dutch * English, Australian * English, British * English, Indian * English, Irish * English, New Zealand * English, Scottish * English, South African * English, US * English, Welsh * Estonian * Farsi * Finnish * French * French, Canadian * Galician * Georgian * German * German, Swiss * Greek * Gujarati * Hausa * Hebrew * Hindi, Indian * Hungarian * Icelandic * Indonesian * Italian * Japanese * Kabyle * Kannada * Kazakh * Kinyarwanda * Korean * Kyrgyz * Latvian * Lithuanian * Luganda * Macedonian * Malay * Malayalam * Maltese * Marathi * Meadow Mari * Mongolian * Norwegian Bokmål * Odia/Oriya * Pashto * Polish * Portuguese * Portuguese, Brazilian * Punjabi * Romanian * Russian * Serbian * Sinhala * Slovak * Slovenian * Somali * Spanish * Spanish, US * Sundanese * Swahili, Burundi * Swahili, Kenya * Swahili, Rwanda * Swahili, Tanzania * Swahili, Uganda * Swedish * Tagalog/Filipino * Tamil * Tatar * Telugu * Thai * Turkish * Ukrainian * Uyghur * Uzbek * Vietnamese * Welsh * Wolof * Zulu ### Deepgram **Deepgram Aura-2** — multilingual, 7 languages (15 locales), 102 voices: * Dutch (Netherlands) * English (5 locales) * French (France) * German (Germany) * Italian (Italy) * Japanese (Japan) * Spanish (5 locales) 103 languages (nova-3 model), 177 locales: * Afrikaans * Albanian * Amharic * Arabic * Armenian * Assamese * Azerbaijani * Bashkir * Basque * Belarusian * Bengali * Bosnian * Breton * Bulgarian * Burmese * Catalan * Chinese * Croatian * Czech * Danish * Dutch * English * Estonian * Faroese * Finnish * French * Galician * Georgian * German * Greek * Gujarati * Haitian * Hausa * Hawaiian * Hebrew * Hindi * Hungarian * Icelandic * Indonesian * Italian * Japanese * Javanese * Kannada * Kazakh * Khmer * Korean * Lao * Latin * Latvian * Lingala * Lithuanian * Luxembourgish * Macedonian * Malagasy * Malay * Malayalam * Maltese * Maori * Marathi * Mongolian * Multilingual * Nepali * Norwegian * Norwegian Nynorsk * Occitan * Pashto * Persian * Polish * Portuguese * Punjabi * Romanian * Russian * Russian (Latin script) * Sanskrit * Serbian * Shona * Sindhi * Sinhala * Slovak * Slovene * Slovenian * Somali * Spanish * Sundanese * Swahili * Swedish * Tagalog * Tajik * Tamasheq * Tamil * Tatar * Telugu * Thai * Tibetan * Turkish * Turkmen * Ukrainian * Urdu * Uzbek * Vietnamese * Welsh * Yiddish * Yoruba ### Deepgram Flux 10 languages, configured via a custom URI: * Dutch * English (10 locales) * French * German * Hindi * Italian * Japanese * Portuguese * Russian * Spanish ### ElevenLabs Multilingual. Language support depends on the selected model: | Model | Languages | | ------------------------------------------------------ | ------------- | | Multilingual v2, Multilingual v1, Turbo v2, Turbo v2.5 | 30+ languages | | English v1, English v2 | English only | Built-in voices (available across all supported languages): Adam, Antoni, Arnold, Bella, Callum, Charlie, Charlotte, Clyde, Daniel, Dave, Domi, Dorothy, Elli, Emily, Ethan, Fin, Freya, Gigi, Giovanni, Glinda, Grace, Harry, James, Jeremy, Jessie, Josh, Liam, and more. Custom and cloned voices are also supported via the ElevenLabs API. Multilingual via `stt_model_id`. Refer to the [ElevenLabs documentation](https://elevenlabs.io/docs) for supported STT languages. ### Google 63 languages, 2000+ voices (Standard, WaveNet, Neural2, Studio, and Chirp tiers): * Afrikaans (South Africa) * Amharic (Ethiopia) * Arabic (Pseudo-Accents) * Basque (Spain) * Bengali (India) * Bulgarian (Bulgaria) * Catalan (Spain) * Chinese (Cantonese, Hong Kong, Mandarin, Simplified, Mandarin, Traditional) * Croatian (Croatia) * Czech (Czech Republic) * Danish (Denmark) * Dutch (Belgium, Netherlands) * English (Australia, India, United Kingdom, United States) * Estonian (Estonia) * Filipino (Philippines) * Finnish (Finland) * French (Canada, France) * Galician (Spain) * German (Germany) * Greek (Greece) * Gujarati (India) * Hebrew (Israel) * Hindi (India) * Hungarian (Hungary) * Icelandic (Iceland) * Indonesian (Indonesia) * Italian (Italy) * Japanese (Japan) * Kannada (India) * Korean (South Korea) * Latvian (Latvia) * Lithuanian (Lithuania) * Malay (Malaysia) * Malayalam (India) * Marathi (India) * Norwegian Bokmål (Norway) * Polish (Poland) * Portuguese (Brazil, Portugal) * Punjabi (India) * Romanian (Romania) * Russian (Russia) * Serbian (Serbia) * Slovak (Slovakia) * Slovenian (Slovenia) * Spanish (Spain, United States) * Swahili (Kenya) * Swedish (Sweden) * Tamil (India) * Telugu (India) * Thai (Thailand) * Turkish (Turkey) * Ukrainian (Ukraine) * Urdu (India) * Vietnamese (Vietnam) 171 languages including: * Afrikaans (South Africa) * Albanian (Albania) * Amharic (Ethiopia) * Arabic (19 locales) * Armenian (Armenia) * Aromanian (Bulgaria) * Assamese (India) * Asturian (Spain) * Azerbaijani (Azerbaijan) * Basque (Spain) * Belarusian (Belarus) * Bengali (Bangladesh, India) * Bosnian (Bosnia and Herzegovina) * Bulgarian (Bulgaria) * Burmese (Myanmar) * Catalan (Spain) * Cebuano (Philippines) * Central Kurdish (Iraq) * Chinese (Simplified, China) * Chinese, Cantonese (Traditional Hong Kong) * Chinese, Mandarin (Traditional, Taiwan) * Croatian (Croatia) * Czech (Czech Republic) * Danish (Denmark) * Dutch (Belgium, Netherlands) * English (11 locales) * Estonian (Estonia) * Filipino (Philippines) * Finnish (Finland) * French (Belgium, Canada, France, Switzerland) * Fulah (Senegal) * Galician (Spain) * Ganda (Uganda) * Georgian (Georgia) * German (Austria, Germany, Switzerland) * Greek (Greece) * Gujarati (India) * Hausa (Nigeria) * Hebrew (Israel) * Hindi (India) * Hungarian (Hungary) * Icelandic (Iceland) * Igbo (Nigeria) * Indonesian (Indonesia) * Irish (Ireland) * Italian (Italy, Switzerland) * Japanese (Japan) * Javanese (Indonesia) * Kabuverdianu (Cape Verde) * Kamba (Kenya) * Kannada (India) * Kazakh (Kazakhstan) * Khmer (Cambodia) * Kinyarwanda (Rwanda) * Korean (South Korea) * Kyrgyz (Cyrillic) * Lao (Laos) * Latvian (Latvia) * Lingala (Congo-Kinshasa) * Lithuanian (Lithuania) * Luo (Kenya) * Luxembourgish (Luxembourg) * Macedonian (North Macedonia) * Malay (Malaysia) * Malayalam (India) * Maltese (Malta) * Maori (New Zealand) * Marathi (India) * Mongolian (Mongolia) * Nepali (Nepal) * Norwegian Bokmål (Norway) * Nyanja (Malawi) * Occitan (France) * Oriya (India) * Oromo (Ethiopia) * Pashto * Persian (Iran) * Polish (Poland) * Portuguese (Brazil, Portugal) * Punjabi (Gurmukhi India) * Romanian (Romania) * Russian (Russia) * Sepedi (South Africa) * Serbian (Serbia) * Shona (Zimbabwe) * Sindhi (India) * Sinhala (Sri Lanka) * Slovak (Slovakia) * Slovenian (Slovenia) * Somali * Southern Sotho (South Africa) * Spanish (20 locales) * Sundanese (Indonesia) * Swahili (Kenya) * Swati (Latin, South Africa) * Swedish (Sweden) * Tajik (Tajikistan) * Tamil (India) * Telugu (India) * Thai (Thailand) * Tsonga (South Africa) * Tswana (Latin, South Africa) * Turkish (Turkey) * Ukrainian (Ukraine) * Umbundu (Angola) * Urdu (Pakistan) * Uzbek (Uzbekistan) * Venda (South Africa) * Vietnamese (Vietnam) * Welsh (United Kingdom) * Wolof (Senegal) * Xhosa (South Africa) * Yoruba (Nigeria) * Zulu (South Africa) ### Microsoft Azure 154 locales, 635 neural voices including: * Afrikaans (South Africa) * Albanian (Albania) * Amharic (Ethiopia) * Arabic (16 locales) * Armenian (Armenia) * Assamese (India) * Azerbaijani (Latin, Azerbaijan) * Bangla (Bangladesh) * Basque * Bengali (India) * Bosnian (Bosnia and Herzegovina) * Bulgarian (Bulgaria) * Burmese (Myanmar) * Catalan * Chinese (11 locales) * Croatian (Croatia) * Czech (Czechia) * Danish (Denmark) * Dutch (Belgium, Netherlands) * English (14 locales) * Estonian (Estonia) * Filipino (Philippines) * Finnish (Finland) * French (Belgium, Canada, France, Switzerland) * Galician * Georgian (Georgia) * German (Austria, Germany, Switzerland) * Greek (Greece) * Gujarati (India) * Hebrew (Israel) * Hindi (India) * Hungarian (Hungary) * Icelandic (Iceland) * Indonesian (Indonesia) * Inuktitut (Latin, Canada, Syllabics, Canada) * Irish (Ireland) * Italian (Italy) * Japanese (Japan) * Javanese (Latin, Indonesia) * Kannada (India) * Kazakh (Kazakhstan) * Khmer (Cambodia) * Korean (Korea) * Lao (Laos) * Latvian (Latvia) * Lithuanian (Lithuania) * Macedonian (North Macedonia) * Malay (Malaysia) * Malayalam (India) * Maltese (Malta) * Marathi (India) * Mongolian (Mongolia) * Nepali (Nepal) * Norwegian Bokmål (Norway) * Odia (India) * Pashto (Afghanistan) * Persian (Iran) * Polish (Poland) * Portuguese (Brazil, Portugal) * Punjabi (India) * Romanian (Romania) * Russian (Russia) * Serbian (Cyrillic, Serbia, Latin, Serbia) * Sinhala (Sri Lanka) * Slovak (Slovakia) * Slovenian (Slovenia) * Somali (Somalia) * Spanish (22 locales) * Sundanese (Indonesia) * Swahili (Kenya, Tanzania) * Swedish (Sweden) * Tamil (India, Malaysia, Singapore, Sri Lanka) * Telugu (India) * Thai (Thailand) * Turkish (Türkiye) * Ukrainian (Ukraine) * Urdu (India, Pakistan) * Uzbek (Latin, Uzbekistan) * Vietnamese (Vietnam) * Welsh (United Kingdom) * Zulu (South Africa) 154 languages. Refer to the [Microsoft Azure STT documentation](https://learn.microsoft.com/en-us/azure/ai-services/speech-service/language-support?tabs=stt) for the full list. ### Nuance 57 language entries, 142 named voices (standard and enhanced models): * Arabic (Worldwide) * Basque (Spain) * Bengali (India) * Bhojpuri (India) * Bulgarian (Bulgaria) * Cantonese (Hong Kong) * Catalan (Spain) * Croatian (Croatia) * Czech (Czech Republic) * Danish (Denmark) * Dutch (Belgium) * English (7 locales) * Finnish (Finland) * French (Belgium, Canada, France) * Galician (Spain) * German (Germany) * Greek (Greece) * Hebrew (Israel) * Hindi (India) * Hungarian (Hungary) * Indonesian (Indonesia) * Italian (Italy) * Japanese (Japan) * Kannada (India) * Korean (South Korea) * Malay (Malaysia) * Mandarin (China, Taiwan) * Marathi (India) * Norwegian Bokmål (Norway) * Polish (Poland) * Portuguese (Brazil, Portugal) * Romanian (Romania) * Russian (Russia) * Slovak (Slovakia) * Spanish (5 locales) * Swedish (Sweden) * Tamil (India) * Telugu (India) * Thai (Thailand) * Turkish (Turkey) * Ukrainian (Ukraine) * Valencian (Spain) * Vietnamese (Vietnam) 41 languages: * Arabic (Worldwide) * Cantonese (Hong Kong) * Catalan (Spain) * Croatian (Croatia) * Czech (Czech Republic) * Danish (Denmark) * Dutch (Netherlands) * English (Australia, India, United Kingdom, United States) * Finnish (Finland) * French (Canada, France) * German (Germany) * Greek (Greece) * Hebrew (Israel) * Hindi (India) * Hungarian (Hungary) * Indonesian (Indonesia) * Italian (Italy) * Japanese (Japan) * Korean (South Korea) * Malay (Malaysia) * Mandarin (China, Taiwan) * Norwegian (Norway) * Polish (Poland) * Portuguese (Brazil, Portugal) * Romanian (Romania) * Russian (Russia) * Shanghainese (China) * Slovak (Slovakia) * Spanish (Latin America, Spain) * Swedish (Sweden) * Thai (Thailand) * Turkish (Turkey) * Ukrainian (Ukraine) * Vietnamese (Vietnam) ### Speechmatics Multilingual. Available in 3 regions: * **EU (EU2 — On-Demand)** * **EU (EU1 — Enterprise)** * **US (US1 — Enterprise)** Refer to the [Speechmatics documentation](https://docs.speechmatics.com) for the full list of supported languages. ### Custom Supported languages and voices depend on the custom TTS or STT vendor you configure. Refer to your vendor's documentation for the available languages and voices. ## More Information * [Speech Services](/voice-gateway/webapp/speech-services) *** 1 Access to the Speechmatics speech provider in Voice Gateway is behind a feature flag and requires additional configuration. For more information, refer to [Speech Services: Speechmatics](/voice-gateway/webapp/speech-services#speechmatics).