model

Streaming Sortformer

NVIDIA's earlier streaming diarization model line, supporting up to four speakers and introducing arrival-order speaker channels for chunked audio.

Known aliases

diar_streaming_sortformer_4spk-v2.1
Sortformer

Relationships

No evidence-backed relationships are recorded.

Current clusters

build2 publishers

An evaluation-only preview licence gates NVIDIA's top-ranked diarization model

NVIDIA reports a 14.72% diarization error rate for the 100M-parameter Nemotron 3 Diarization, first on Voice Arena's initial leaderboard. Its Hugging Face preview page confines the weights to internal testing and evaluation.

Publishers:huggingface.coruntimewire.com

Reality

Evidence54
Adoption16
Hype gap+32
Incentives78
Confidence63