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SPECIFICTION
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Microsoft VibeVoice

github.com

Free plan macOSLinuxAPISelf-hosted
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Spec score 8.4 #66 of 233 in Text-to-speech tools

Spec sheet

Product
VibeVoice is a family of open-source voice AI models for text-to-speech and automatic speech recognition.Read 12 Oct 2026 · github.com
Platforms
linux,macos,self_hostedRead 20 Sep 2026 · github.com
Deployment
The ASR documentation recommends an NVIDIA Deep Learning Container to manage the CUDA environment.Read 12 Oct 2026 · github.com
Free plan
YesRead 20 Sep 2026 · github.com
License
The repository software is distributed under the MIT License, which grants permission to use, copy, modify, publish, distribute, sublicense, and sell it subject to the license conditions.Read 12 Oct 2026 · github.com
Maker
Microsoft's official facts page lists its corporate address in Redmond, Washington, and says it was founded in 1975.Read 12 Oct 2026 · news.microsoft.com
API access
NoRead 20 Sep 2026 · github.com
API integration
The vLLM plugin provides OpenAI-compatible speech-to-text API endpoints with streaming support.Read 12 Oct 2026 · github.com
Commercial use
NoRead 20 Sep 2026 · github.com
Customized recognition
VibeVoice-ASR accepts customized hotwords to guide recognition of domain-specific terms.Read 12 Oct 2026 · github.com
Export formats
WAVRead 20 Sep 2026 · github.com
Intended use
The repository says the models are intended for research and development and recommends against commercial or real-world use without further testing and development.Read 12 Oct 2026 · github.com
Language support
VibeVoice-ASR supports over 50 languages, does not require an explicit language setting, and handles code-switching.Read 12 Oct 2026 · github.com
Long-form transcription
VibeVoice-ASR processes up to 60 minutes of audio in one pass and produces speaker, timestamp, and transcript information.Read 12 Oct 2026 · github.com
Notable availability limit
The repository lists VibeVoice-TTS-1.5B with its quick try option marked as disabled.Read 12 Oct 2026 · github.com
Other integrations
The repository says VibeVoice-ASR is available through Hugging Face Transformers and Microsoft Azure AI Foundry Labs.Read 12 Oct 2026 · github.com
Risks
Microsoft warns that outputs may be unexpected, biased, or inaccurate and that synthetic speech could be misused for impersonation, fraud, or disinformation.Read 12 Oct 2026 · github.com
Security reporting
The security policy says not to report vulnerabilities through public GitHub issues and directs reporters to Microsoft repository security guidance.Read 12 Oct 2026 · github.com
Speech generation
The project page describes expressive long-form conversational speech generation of up to 90 minutes with up to four speakers.Read 12 Oct 2026 · microsoft.github.io
Streaming transcription
VibeVoice-ASR-Streaming emits transcript text as audio arrives, once per audio chunk.Read 12 Oct 2026 · github.com
Voice cloning
NoRead 20 Sep 2026 · github.com

Plans and prices

MIT-licensed open-source software Free No hosted plan or usage limits stated; research and development use recommended Read 12 Oct 2026 · github.com

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