From the source

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

Open-weight model for real-time multi-speaker identification

NVIDIA released Nemotron 3 Diarization, an open-weight 100M-parameter model that identifies which speaker is active at each moment in conversations with up to eight speakers.

The model ranks #1 on Voice Arena's Diarization-Bench leaderboard with a 14.72% Diarization Error Rate and supports both live streaming and recorded audio with overlapping speech handling.

From the source
NVIDIA Nemotron 3 Diarization is an open-weight, 100M-parameter model that ranks #1 on Voice Arena's Diarization-Bench leaderboard with a 14.72% Diarization Error Rate (DER). Supporting up to eight speakers across live and recorded conversations, it handles overlapping speech, chunked processing for flexible recording lengths, and customizable streaming latency.
huggingface.co

Reported by