Soniox | Vapi

Soniox is a real-time speech-to-text (STT) provider that transcribes caller audio for Vapi assistants. Use the stt-rt-v5 model for new configurations.

What is Soniox?

Soniox provides low-latency, multilingual transcription and semantic endpointing for voice assistants. The stt-rt-v5 model supports real-time audio and is the current model for new Soniox configurations.

Speech-to-text

Connect Soniox

Configure Soniox in the Vapi Dashboard or update an assistant through the API.

Dashboard

cURL

Open an assistant

In the Vapi Dashboard, open Assistants, then select the assistant you want to update.

Select Soniox

Open the Transcriber settings. Set Provider to Soniox and Model to stt-rt-v5.

Publish the assistant

Click Publish to apply the new transcriber configuration.

Supported languages

The following language codes are currently accepted by Vapi for this capability.

Language	Language code
Afar	`aa`
Abkhazian	`ab`
Avestan	`ae`
Afrikaans	`af`
Akan	`ak`
Amharic	`am`
Aragonese	`an`
Arabic	`ar`
Assamese	`as`
Avaric	`av`
Aymara	`ay`
Azerbaijani	`az`
Bashkir	`ba`
Belarusian	`be`
Bulgarian	`bg`
Bhojpuri	`bh`
Bislama	`bi`
Bambara	`bm`
Bangla	`bn`
Tibetan	`bo`
Breton	`br`
Bosnian	`bs`
Catalan	`ca`
Chechen	`ce`
Chamorro	`ch`
Corsican	`co`
Cree	`cr`
Czech	`cs`
Church Slavic	`cu`
Chuvash	`cv`
Welsh	`cy`
Danish	`da`
German	`de`
Divehi	`dv`
Dzongkha	`dz`
Ewe	`ee`
Greek	`el`
English	`en`
Esperanto	`eo`
Spanish	`es`
Estonian	`et`
Basque	`eu`
Persian	`fa`
Fula	`ff`
Finnish	`fi`
Fijian	`fj`
Faroese	`fo`
French	`fr`
Western Frisian	`fy`
Irish	`ga`
Scottish Gaelic	`gd`
Galician	`gl`
Guarani	`gn`
Gujarati	`gu`
Manx	`gv`
Hausa	`ha`
Hebrew	`he`
Hindi	`hi`
Hiri Motu	`ho`
Croatian	`hr`
Haitian Creole	`ht`
Hungarian	`hu`
Armenian	`hy`
Herero	`hz`
Interlingua	`ia`
Indonesian	`id`
Interlingue	`ie`
Igbo	`ig`
Sichuan Yi	`ii`
Inupiaq	`ik`
Ido	`io`
Icelandic	`is`
Italian	`it`
Inuktitut	`iu`
Japanese	`ja`
Javanese	`jv`
Georgian	`ka`
Kongo	`kg`
Kikuyu	`ki`
Kuanyama	`kj`
Kazakh	`kk`
Kalaallisut	`kl`
Khmer	`km`
Kannada	`kn`
Korean	`ko`
Kanuri	`kr`
Kashmiri	`ks`
Kurdish	`ku`
Komi	`kv`
Cornish	`kw`
Kyrgyz	`ky`
Latin	`la`
Luxembourgish	`lb`
Ganda	`lg`
Limburgish	`li`
Lingala	`ln`
Lao	`lo`
Lithuanian	`lt`
Luba-Katanga	`lu`
Latvian	`lv`
Malagasy	`mg`
Marshallese	`mh`
Māori	`mi`
Macedonian	`mk`
Malayalam	`ml`
Mongolian	`mn`
Marathi	`mr`
Malay	`ms`
Maltese	`mt`
Burmese	`my`
Nauru	`na`
Norwegian Bokmål	`nb`
North Ndebele	`nd`
Nepali	`ne`
Ndonga	`ng`
Dutch	`nl`
Norwegian Nynorsk	`nn`
Norwegian	`no`
South Ndebele	`nr`
Navajo	`nv`
Nyanja	`ny`
Occitan	`oc`
Ojibwa	`oj`
Oromo	`om`
Odia	`or`
Ossetic	`os`
Punjabi	`pa`
Pali	`pi`
Polish	`pl`
Pashto	`ps`
Portuguese	`pt`
Quechua	`qu`
Romansh	`rm`
Rundi	`rn`
Romanian	`ro`
Russian	`ru`
Kinyarwanda	`rw`
Sanskrit	`sa`
Sardinian	`sc`
Sindhi	`sd`
Northern Sami	`se`
Sango	`sg`
Sinhala	`si`
Slovak	`sk`
Slovenian	`sl`
Samoan	`sm`
Shona	`sn`
Somali	`so`
Albanian	`sq`
Serbian	`sr`
Swati	`ss`
Southern Sotho	`st`
Sundanese	`su`
Swedish	`sv`
Swahili	`sw`
Tamil	`ta`
Telugu	`te`
Tajik	`tg`
Thai	`th`
Tigrinya	`ti`
Turkmen	`tk`
Filipino	`tl`
Tswana	`tn`
Tongan	`to`
Turkish	`tr`
Tsonga	`ts`
Tatar	`tt`
Akan	`tw`
Tahitian	`ty`
Uyghur	`ug`
Ukrainian	`uk`
Urdu	`ur`
Uzbek	`uz`
Venda	`ve`
Vietnamese	`vi`
Volapük	`vo`
Walloon	`wa`
Wolof	`wo`
Xhosa	`xh`
Yiddish	`yi`
Cantonese	`yue`
Yoruba	`yo`
Zhuang	`za`
Chinese	`zh`
Zulu	`zu`

Configure a transcriber fallback plan.
Review the Soniox speech-to-text models.