---

name: deepgram-nova-3-speech-to-text description: "Deepgram | Nova-3 | Speech to Text. Transcribe audio to text with speaker diarization and smart formatting. Triggers: transcribe, speech to text, stt, deepgram, nova, audio" allowed-tools: Bash(curl *), WebFetch

Deepgram | Nova-3 | Speech to Text

Transcribe audio files to text using Deepgram Nova-3 with speaker diarization, punctuation, and smart formatting for 47+ languages.

Quick Start

Requires an each::labs API key. Get one at eachlabs.ai.

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "deepgram-nova-3-speech-to-text",
    "version": "0.0.1",
    "input": {
      "media_url": "https://example.com/interview.mp3",
      "model": "nova-3",
      "language_code": "en",
      "diarize": true,
      "punctuate": true
    }
  }'

Parameters

Parameter	Type	Default	Description
diarize	boolean	true	Identify different speakers in the audio. Each word includes speaker ID and confidence.
language_code	string	auto	Language of the audio (BCP-47 code). auto: automatic detection. multi: multilingual. enum: auto, multi, tr, ur, en, nl, uk, es, ar, de, fr, it, ja, ko, pt, ru, zh, hi, and more
media_url	string		Audio file URL to transcribe. Supports mp3, wav, m4a, flac, ogg, webm, mp4.
model	string	nova-3	Deepgram speech recognition model. nova-3: latest, best accuracy. nova-2: previous generation. enum: nova-3, nova-2
multichannel	boolean	false	Transcribe each audio channel independently. Enable when each channel has a different speaker.
punctuate	boolean	true	Add punctuation marks and capitalization to the transcript.
smart_format	boolean	true	Auto-format currency amounts, phone numbers, email addresses, and dates.

Examples

Basic English transcription:

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "deepgram-nova-3-speech-to-text",
    "version": "0.0.1",
    "input": {
      "media_url": "https://example.com/podcast-episode.mp3",
      "model": "nova-3",
      "language_code": "en",
      "diarize": true
    }
  }'

Japanese audio with smart formatting:

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "deepgram-nova-3-speech-to-text",
    "version": "0.0.1",
    "input": {
      "media_url": "https://example.com/japanese-audio.wav",
      "language_code": "ja",
      "smart_format": true,
      "punctuate": true
    }
  }'

Multi-channel call center recording:

curl -X POST https://api.eachlabs.ai/v1/prediction \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $EACHLABS_API_KEY" \
  -d '{
    "model": "deepgram-nova-3-speech-to-text",
    "version": "0.0.1",
    "input": {
      "media_url": "https://example.com/call-recording.wav",
      "model": "nova-3",
      "multichannel": true,
      "diarize": true,
      "smart_format": true
    }
  }'

Related Models

• deepgram-nova-3-speech-to-text-pro - Pro version with sentiment, entities, intents, and summarization
• elevenlabs-speech-to-text-scribe-v2 - ElevenLabs speech to text

Documentation

• each::labs Docs
• API Reference