# May 14, 2025

## Aura-2 TTS Now Available!

Deepgram is proud to announce the release of Aura-2, our text-to-speech model purpose-built for realtime enterprise use cases.

### Performance

- Sub-200ms time-to-first-byte (TTFB) latency for real-time conversational interactions
- 0.111x Real-Time Factor (RTF), synthesizing one second of audio in just over 100 milliseconds

### Voice Quality & Features

- Enterprise-optimized voice catalog with 40+ distinct voices, each designed for specific business contexts

- Tuned for professional and transactional interactions with appropriate tone, pacing, and emphasis

- Superior pronunciation accuracy for domain-specific content:
  - Currency and numerals
  - Dates and timestamps in varied formats
  - Email addresses, passwords, and URLs
  - Complex addresses and location references

- Industry-leading voice clarity rated higher than competitors in customer service scenarios

### Availability

- Aura-2 is available now via REST and Websocket APIs
- Currently available for use through our hosted offering

For detailed information about Aura-2, please refer to our [Developer Documentation](/guides/home-home).

## Related pages

- [Amazon SageMaker](./amazon-sagemaker-index.md)
- [Aura](./aura-index.md)
- [Changelog](../changelog.md)
- [Custom Vocabulary](./custom-vocabulary-index.md)
- [Deepgram's Docs](../index.md)
- [Deployment](./deployment-index.md)
- [Docker/Podman](./docker-podman-index.md)
- [Features](./features-index.md)
- [Flux TTS](./flux-tts-index.md)
- [Formatting](./formatting-index.md)

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