# February 12, 2025

## Introducing Nova-3 - Most Advanced Speech-to-Text Model

Deepgram is proud to announce the release of [Nova-3](https://deepgram.com/learn/introducing-nova-3-speech-to-text-api), our most advanced speech-to-text model to date. Key improvements include:

### Performance Improvements

- 54.3% reduction in word error rate (WER) for streaming audio compared to competitors (6.84% median WER)
- 47.4% reduction in WER for batch processing (5.26% median WER)
- Maintains industry-leading inference speed, with latency comparable to Nova-2

### New Features

- Self-serve customization through [Keyterm Prompting](/guides/custom-vocabulary-keyterm)
  - Instantly adapt up to 100 domain-specific terms without model retraining
  - Improved recognition of specialized vocabulary and technical terminology

- Enhanced capabilities for challenging audio conditions:
  - Improved handling of background noise and overlapping speech
  - Better numeric recognition
  - Real-time redaction for up to 50 entities
  - Greater word-level timestamp precision
  - Improved English formatting and paragraph structuring

### Availability

Nova-3 English is now available through our API. To access:

- Use `model=nova-3` in your API calls
- Available for hosted use
- Supports both pre-recorded and real-time streaming transcription
- Multilingual and self-hosted deployments will be available in subsequent releases

For detailed information about Nova-3, please refer to our [Developer Documentation](/guides/models-and-languages-models-languages-overview#nova-3).

## 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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