Our "plus" models have speaker segmentation and speaker verification (embedding) that you can use for speech to text and diarization from one model. There's an example script in the model repo that shows how to do it.

https://huggingface.co/collections/futo-org/asr4all

If you're looking for a single stage "end-to-end" model just for diarization only, Nvidia released one recently: https://huggingface.co/nvidia/Nemotron-3-Diarization