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NVIDIA·Jan 6, 2026·v0.6b·open source
Nemotron Speech ASR
NVIDIA has released Nemotron Speech ASR, a streaming English transcription model designed for low-latency voice agents and live captioning. This 600 million parameter model utilizes a cache-aware FastConformer encoder and an RNNT decoder, optimized for both streaming and batch workloads on modern NVIDIA GPUs.
AI AgentsAgentic AIML
overview
NVIDIA has released Nemotron Speech ASR, a streaming English transcription model designed for low-latency voice agents and live captioning. This 600 million parameter model utilizes a cache-aware FastConformer encoder and an RNNT decoder, optimized for both streaming and batch workloads on modern NVIDIA GPUs.
key features
- 01Cache-aware FastConformer encoder with 24 layers
- 02RNNT decoder for efficient transcription
- 03Configurable context sizes for latency control
- 04Optimized for low-latency voice agents and live captioning
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