Microsoft VibeVoice: Open-Source Frontier Voice AI

April 28, 2026 · microsoft

URL: https://github.com/microsoft/VibeVoice

“Microsoft has released VibeVoice, an open source frontier-grade voice synthesis model.”

Microsoft releasing voice AI as open weights is a strategic move against ElevenLabs and the other voice startups. The quality is real and the license permits commercial use. Voice cloning at home with no API costs becomes a normal feature this quarter.