VibeVoice 0.5b on macOS

December 7, 2025

Microsoft has a new TTS model in the VibeVoice series, VibeVoice-Realtime-0.5B. Here’s a quick guide on how to try it out on macOS.

Clone the vibevoice-community/VibeVoice git repo.

cd into the directory and:

python3.13 -m venv .venv
source .venv/bin/activate
pip install -e .
export MODEL_PATH=microsoft/VibeVoice-Realtime-0.5B
MODEL_DEVICE=mps python -m uvicorn demo.web.app:app

If this all works, open http://localhost:8000 and try it out.