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diar_streaming_sortformer_4spk-v2.1-gguf
Adit2K/diar_streaming_sortformer_4spk-v2.1-gguf
diar_streaming_sortformer_4spk-v2.1-gguf is a machine learning model from Adit2K. Use it for the machine learning task on the model card, and read the license before you ship it in a product. The card lists the license as other.
GGUF conversion of NVIDIA's diarstreamingsortformer4spk-v2.1 (checkpoint commit fafaab5) for the transcribe.cpp engine, produced with the repo's own scripts/convert-sortformer.py at commit 553f109.
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At a glance
- License
- other
- Access
- Public
- Created
- Aug 5, 2026
- Updated
- Aug 5, 2026
- SHA
- f1efd927
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Model card
From the Hugging Face model README
Streaming Sortformer Diarizer 4spk v2.1 — GGUF (for transcribe.cpp)
GGUF conversion of NVIDIA's
diar_streaming_sortformer_4spk-v2.1
(checkpoint commit fafaab5) for the
transcribe.cpp engine,
produced with the repo's own scripts/convert-sortformer.py at commit 553f109.
Provenance & caveats
- Independent conversion for integration testing (Isaree on-device scribe), not an official artifact of either upstream project.
- Q8_0 reproduces the F32 reference speaker boundaries exactly on the engine's 2-speaker fixture; formal DER has not been re-measured on this artifact.
- No K-quants by upstream policy: k-tier weight error can deterministically permute speaker labels mid-stream. Use Q8_0 (or F16).
- Standalone diarizer: emits speaker segments only, no transcript. 4-speaker cap, arrival-order labels.
Original model © NVIDIA, under the NVIDIA Open Model License (see link above).
- License
- other
- Created
- Aug 5, 2026
- Updated
- Aug 5, 2026