Deepgram | Vapi

Deepgram provides speech-to-text for Vapi voice agents.

You can use Deepgram through Vapi’s default integration, or connect your own account in Integrations.

Supported capability

Capability	Provider value
Speech-to-text	`deepgram`

Speech-to-text

Set transcriber.provider to deepgram and transcriber.model to a Deepgram model.

$ curl -X PATCH "https://api.vapi.ai/assistant/ASSISTANT_ID" \
>   -H "Authorization: Bearer $VAPI_API_KEY" \
>   -H "Content-Type: application/json" \
>   -d '{
>     "transcriber": { "provider": "deepgram", "model": "nova-3" }
>   }'

For additional API configuration options, review the DeepgramTranscriber fields in the Create Assistant API reference.

Model	Model ID
Nova 3	`nova-3`
Nova 3 General	`nova-3-general`
Nova 3 Medical	`nova-3-medical`
Nova 2	`nova-2`
Nova 2 General	`nova-2-general`
Nova 2 Meeting	`nova-2-meeting`
Nova 2 Phone Call	`nova-2-phonecall`
Nova 2 Finance	`nova-2-finance`
Nova 2 Conversational AI	`nova-2-conversationalai`
Nova 2 Voicemail	`nova-2-voicemail`
Nova 2 Video	`nova-2-video`
Nova 2 Medical	`nova-2-medical`
Nova 2 Drive-Thru	`nova-2-drivethru`
Nova 2 Automotive	`nova-2-automotive`
Flux General English	`flux-general-en`
Flux General Multilingual	`flux-general-multi`

Supported languages

The matrix shows the language and model combinations currently supported by Vapi.

The Nova 3 column applies to Nova 3 and Nova 3 General, and the Nova 2 column applies to Nova 2 and Nova 2 General. Specialized Nova 2 includes Meeting, Phone Call, Finance, Conversational AI, Voicemail, Video, Medical, Drive-Thru, and Automotive.

Language	Language code	Nova 3	Nova 3 Medical	Nova 2	Specialized Nova 2	Flux General English	Flux General Multilingual
Arabic	`ar`	X
Bangla	`bn`	X
Belarusian	`be`	X
Bosnian	`bs`	X
Bulgarian	`bg`	X		X
Catalan	`ca`	X		X
Chinese	`zh`	X		X
Chinese (China)	`zh-CN`	X		X
Chinese (Hong Kong)	`zh-HK`	X		X
Chinese (Simplified)	`zh-Hans`	X		X
Chinese (Taiwan)	`zh-TW`	X		X
Chinese (Traditional)	`zh-Hant`	X		X
Croatian	`hr`	X
Czech	`cs`	X		X
Danish	`da`	X		X
Danish (Denmark)	`da-DK`	X		X
Dutch	`nl`	X		X			X
Dutch (Belgium)	`nl-BE`	X		X
English	`en`	X	X	X	X	X	X
English (Australia)	`en-AU`	X	X	X
English (Canada)	`en-CA`		X
English (India)	`en-IN`	X	X	X
English (Ireland)	`en-IE`		X
English (New Zealand)	`en-NZ`	X	X	X
English (United Kingdom)	`en-GB`	X	X	X
English (United States)	`en-US`	X	X	X	X
Estonian	`et`	X		X
Filipino	`tl`	X
Finnish	`fi`	X		X
French	`fr`	X		X			X
French (Canada)	`fr-CA`	X		X
German	`de`	X		X			X
German (Switzerland)	`de-CH`	X		X
Greek	`el`	X		X
Hebrew	`he`	X
Hindi	`hi`	X		X			X
Hungarian	`hu`	X		X
Indonesian	`id`	X		X
Italian	`it`	X		X			X
Japanese	`ja`	X		X			X
Kannada	`kn`	X
Korean	`ko`	X		X
Korean (South Korea)	`ko-KR`	X		X
Latvian	`lv`	X		X
Lithuanian	`lt`	X		X
Macedonian	`mk`	X
Malay	`ms`	X		X
Marathi	`mr`	X
Multilingual	`multi`	X		X
Norwegian	`no`	X		X
Persian	`fa`	X
Polish	`pl`	X		X
Portuguese	`pt`	X		X			X
Portuguese (Brazil)	`pt-BR`	X		X
Portuguese (Portugal)	`pt-PT`	X		X
Romanian	`ro`	X		X
Russian	`ru`	X		X			X
Serbian	`sr`	X
Slovak	`sk`	X		X
Slovenian	`sl`	X
Spanish	`es`	X		X			X
Spanish (Latin America)	`es-419`	X		X
Swedish	`sv`	X		X
Swedish (Sweden)	`sv-SE`	X		X
Tamil	`ta`	X
Telugu	`te`	X
Thai	`th`	X		X
Thai (Thailand)	`th-TH`	X		X
Turkish	`tr`	X		X
Ukrainian	`uk`	X		X
Urdu	`ur`	X
Vietnamese	`vi`	X		X

Multilingual transcription

For Nova 3 or Nova 2, set transcriber.language to multi. For Flux, select flux-general-multi and omit transcriber.languages to use automatic language detection. You can also provide a languages array to give Flux language hints for multilingual or code-switching conversations. See Deepgram’s Flux language prompting documentation.

Deepgram text-to-speech

Configure Deepgram for text-to-speech.

Transcriber providers

Compare every transcriber provider Vapi supports.

Supported capability

Speech-to-text

Supported languages

Multilingual transcription

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