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NVIDIA releases Nemotron 3 Diarization, an open-weight speaker diarization model

Event: Sep 23, 2026 · Published: Oct 1, 2026

NVIDIA released Nemotron 3 Diarization on September 23, 2026. The model identifies which speaker is talking at each point in an audio recording, for up to eight speakers, and can run on streaming audio as well as complete recordings. It is a Transformer encoder with about 100 million parameters, built with NVIDIA's NeMo speech tools. The weights are on Hugging Face under the OpenMDW License Agreement, version 1.1, and the model card says they are ready for commercial and non-commercial use.1 2

Sources

1.
nvidia/Nemotron-3-Diarization model card (external site: huggingface.co)
NVIDIA (Hugging Face) · Model card · published Sep 23, 2026 · accessed Oct 1, 2026
2.
Know Who Spoke When: Build Real-Time, Multi-Speaker AI with NVIDIA Nemotron 3 Diarization (external site: huggingface.co)
NVIDIA (Hugging Face blog) · Announcement · published Sep 23, 2026 · accessed Oct 1, 2026

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USASI. (2026, October 1). NVIDIA releases Nemotron 3 Diarization, an open-weight speaker diarization model. United States of America Superintelligence. https://unitedstatesofamericasuperintelligence.com/news/nvidia-releases-nemotron-3-diarization/

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@misc{usasi_news_nvidia_releases_nemotron_3_diarization,
  author = {{USASI}},
  title = {NVIDIA releases Nemotron 3 Diarization, an open-weight speaker diarization model},
  year = {2026},
  month = oct,
  howpublished = {\url{https://unitedstatesofamericasuperintelligence.com/news/nvidia-releases-nemotron-3-diarization/}},
  note = {United States of America Superintelligence. Last updated 2026-10-01}
}

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