Using Deepgram Aura-2 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 aura-2-thalia-en — see the documentation for request format.
3. 3
   You'll be billed $30.00/1M input. 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 Aura-2

Aura-2 is Deepgram's enterprise-grade text-to-speech model, released April 2025. Delivers sub-200ms time-to-first-byte (TTFB) with domain-specific pronunciation for drug names, legal terms, alphanumeric identifiers, dates, and currency. Outperformed ElevenLabs, Cartesia, OpenAI, Azure, Google, and PlayHT in enterprise voice preference testing. Offers 43+ English voices and multilingual support (Spanish, Dutch, French, German, Italian, Japanese). Priced at $0.030/1K characters ($30/1M chars). Available as cloud, VPC, and on-premises. API ID format: aura-2-[voice]-[lang] (e.g. aura-2-thalia-en).