# NVIDIA Releases Streaming Speech-to-Text Model

> The 600-million-parameter Nemotron model is designed for real-time English transcription using a cache-aware FastConformer architecture.

Published by The Open Weights on Dec 17, 2025. Canonical: https://theopenweights.com/news/nemotron-speech-streaming-en-0-6b-t8gq

## Key facts

- Company: NVIDIA
- Model: Nemotron Speech Streaming EN 0.6B
- Version: v1
- Category: Speech → Text
- Modalities: Speech → Text
- License: Other (Open weights, commercial use allowed)
- Parameters: 600M
- Architecture: NemotronAsrStreamingForRNNT
- Precision: FP32
- Weights size: 2.5 GB
- Languages: English
- Significance: notable
- Published: 2025-12-17
- Last verified: 2026-06-17
- Hugging Face: https://huggingface.co/nvidia/nemotron-speech-streaming-en-0.6b
- Canonical URL: https://theopenweights.com/news/nemotron-speech-streaming-en-0-6b-t8gq

NVIDIA has released a new model for automatic speech recognition (ASR), Nemotron Speech Streaming EN 0.6B. This 600-million-parameter model is specifically engineered for real-time, streaming transcription of English audio, making it suitable for applications that require immediate output.

## Built for Real-Time Performance

The model is based on the FastConformer architecture, an effective design for speech recognition. Its key feature is its "cache-aware streaming" capability, which allows it to process audio in small chunks as it arrives rather than waiting for an entire recording. By intelligently managing its internal state, or cache, between these chunks, the model can deliver continuous transcription with minimal delay.

This streaming approach is critical for interactive voice applications. Potential use cases include:
* Live captioning for broadcasts and events
* Responsive voice assistants
* Real-time transcription for meetings or customer service calls

By releasing a specialized model for this task, NVIDIA provides developers with another tool for building responsive, voice-enabled products. The model is available on Hugging Face under the NVIDIA Open Model License Agreement, and interested users can find full details in the [official repository](https://huggingface.co/nvidia/nemotron-speech-streaming-en-0.6b).

## Get the model

- [Hugging Face](https://huggingface.co/nvidia/nemotron-speech-streaming-en-0.6b)

## Sources

- [nvidia/nemotron-speech-streaming-en-0.6b](https://huggingface.co/nvidia/nemotron-speech-streaming-en-0.6b) — Hugging Face, Dec 17, 2025

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Source: The Open Weights (https://theopenweights.com/). Aggregated and written by Claude, curated by humans. Cite as: "NVIDIA Releases Streaming Speech-to-Text Model", The Open Weights, Dec 17, 2025, https://theopenweights.com/news/nemotron-speech-streaming-en-0-6b-t8gq