Using Deepgram Nova-3 on Deepgram API

Quick Start

1. 1
   Create an account at Deepgram API and generate an API key.
2. 2
   Use the Deepgram API SDK or REST API to call nova-3 — see the documentation for request format.
3. 3
   You'll be billed $0.005/min. See full pricing.

Code Examples

About Deepgram API

Deepgram's API provides hosted speech-to-text, text-to-speech, and voice-agent audio models, including Nova, Flux, and Aura model families.

Pricing on Deepgram API

Capabilities

About Deepgram Nova-3

Nova-3 is Deepgram's current-generation speech-to-text model, released February 12, 2025. Achieves 6.84% median WER streaming and 5.26% batch — a ~54% improvement over competitors. Supports real-time multilingual transcription across 31 languages with self-serve keyterm prompting (up to 100 terms) and real-time redaction (up to 50 entity types). Also includes nova-3-medical specialization. Streaming: $0.0048/min (mono), $0.0058/min (multilingual); pre-recorded: $0.0077/min (mono). API ID: nova-3.