Last refreshed 2026-06-07. Next refresh: weekly.
Why use Deepgram Aura-2 on Deepgram API?
Deepgram API offers Deepgram Aura-2 with pay-as-you-go pricing at $30.00/1M input tokens. Deepgram's API provides hosted speech-to-text, text-to-speech, and voice-agent audio models, including Nova, Flux, and Aura model families.
Setup recipe
Docs fallbackUse the provider REST API or SDKCreate a provider API keymodel: aura-2-thalia-enaura-2-thalia-enRequest example
aura-2-thalia-en.Gotchas
- Use provider model ID "aura-2-thalia-en", not the LLMReference slug "aura-2".
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $30.00 |
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).
FAQ
What API model ID do I use for Deepgram Aura-2 on Deepgram API?
Use the model ID aura-2-thalia-en when calling Deepgram API's API.
Who created Deepgram Aura-2?
Deepgram Aura-2 was created by Deepgram as part of the Deepgram Aura model family.
Is Deepgram Aura-2 open source?
Deepgram Aura-2 is not open source; the seed data lists it as proprietary.