NVIDIA Parakeet is now available as a speech-to-text engine for Telnyx Voice AI, bringing self-hosted multilingual transcription with automatic language detection to production voice workflows. Built on the nvidia/parakeet-tdt-0.6b-v3
model, Parakeet transcribes 25 European languages on Telnyx infrastructure, with no third-party API hop and no language hint required.
language
parameter is required.transcription_start
, TeXML <Gather>
with transcription, and the standalone TeXML <Transcription>
verb. REST batch transcription is not available.linear16
, linear32
, mp3
, or wav
audio at 16 kHz.nvidia/parakeet-v3
.For Call Control, POST to transcription_start
:
{
"transcription_engine": "Parakeet",
"transcription_engine_config": {
"transcription_engine": "Parakeet",
"transcription_model": "nvidia/parakeet-v3"
}
}
For TeXML <Gather>
:
<Gather transcriptionEngine="Parakeet" model="nvidia/parakeet-v3">
<Say>Please speak after the tone.</Say>
</Gather>
For WebSocket streaming:
wss://api.telnyx.com/v2/speech-to-text/transcription?transcription_engine=Parakeet&model=nvidia/parakeet-v3&input_format=linear16&sample_rate=16000
Parakeet accepts linear16
, linear32
, mp3
, or wav
audio at 16 kHz and returns final transcripts only. No interim or partial results. Endpointing is ignored.
Learn more in the Speech-to-Text models docs or the WebSocket streaming reference.