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**Know Who Spoke When: Build Real-Time, Multi-Speaker AI with NVIDIA Nemotron 3 Diarization**

In shortNVIDIA Nemotron 3 Diarization is an open-weight, 100M-parameter model that ranks #1 on VoiceArena's Diarization-Bench leaderboard with a 14.72% Diarization Error Rate (DER).

What happened

Nemotron 3 Diarization expands support to eight speakers and improves the accuracy and throughput measured in the following evaluations. More right context can help the model interpret speaker transitions, while less right context reduces the time it must wait before producing a result.

What is confirmed

  • NVIDIA Nemotron 3 Diarization is an open-weight, 100M-parameter model that ranks #1 on VoiceArena's Diarization-Bench leaderboard with a 14.72% Diarization Error Rate (DER).

Following the story

What happened after the announcement

NVIDIA Nemotron 3 Diarization is an open-weight, 100M-parameter model that ranks #1 on VoiceArena's Diarization-Bench leaderboard with a 14.72% Diarization Error Rate (DER).

Still watching: Who can now use what was announced in “**Know Who Spoke When: Build Real-Time, Multi-Speaker AI with NVIDIA Nemotron 3 Diarization**”, and under which plan, region and release conditions?

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This Live Update contains 3 concrete source-backed facts. SourceVane will add impact analysis only after it is supported.

Source Stack

Official / primary

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