Microsoft Audio Light Open weights

VibeVoice-Realtime-0.5B

344 days since Microsoft announced it · 3 Dec 2025

VibeVoice-Realtime-0.5B is an open-weights audio model from Microsoft, announced 3 Dec 2025. It has 0.5B parameters.

Price: —; the lab’s list price
Parameters: 0.5B; total

No price on the lab’s own pages.

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Microsoft · Light · VibeVoice

open weights

VibeVoice-Realtime-0.5B 3 Dec 2025

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Facts last updated 7 Nov 2026, from Microsoft’s own pages.