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Layercode keeps speech recognition modular so you can match the right engine to each pipeline. Today we offer Deepgram’s latest streaming stack as the single speech-to-text integration available in production, delivering the fastest and most accurate in-call transcription we support.

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Deepgram Nova-3 (primary streaming)

  • Model: nova-3, Deepgram’s flagship speech-to-text model tuned for high-accuracy, low-latency conversational AI.
  • Real-time features: Smart formatting, interim hypotheses, and MIP opt-out are all enabled to optimize conversational turn taking out of the box. Nova-3’s latency profile keeps responses within the sub-second expectations of interactive agents.
  • Audio formats: We normalize audio to 8 kHz linear PCM or μ-law depending on transport requirements, so Nova-3 receives the clean signal it expects in both browser and telephony scenarios.
  • Connectivity: Choose the managed Cloudflare route (provider deepgram) or connect directly to Deepgram (deepgram_cloud). We merge your configuration with our defaults and set the appropriate authorization headers for each mode.
Add your Deepgram API key in Settings → Providers to unlock direct Deepgram access. If you do not supply a key, the pipeline uses our Cloudflare-managed path with the same Nova-3 model. Deepgram Nova-3 combines the accuracy improvements announced in their Nova-3 launch with Layercode’s interruption handling to keep transcripts actionable in real time.