microsoft

    microsoft/VibeVoice

    #55 this week

    Open-Source Frontier Voice AI

    backend
    Python
    MIT
    56.7K stars
    6.4K forks
    272 GitHub watchers
    Updated Nov 8, 2026
    View on GitHub

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    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    Ranks #5 among Backend repositories ranked this week; #55 of 170 repositories with measured growth this week (top 32%).

    The project lists 22 contributors on GitHub.

    Peaked at #1 in the weekly ranking the week of Dec 7, its best in the past year.

    Use Cases & Benefits

    • Generates expressive, long-form, multi-speaker conversational speech from text using advanced voice AI techniques.
    • Enables scalable, low-latency, and high-fidelity speech synthesis with support for up to four distinct speakers and real-time streaming.
    • Use for creating multi-speaker podcasts or audiobooks with natural turn-taking and speaker consistency over long durations.
    • Use for developing real-time text-to-speech applications requiring low latency and streaming input, such as live voice assistants.
    • Use for research and experimentation in speech synthesis leveraging continuous speech tokenizers and next-token diffusion frameworks.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    MIT

    Permissive: commercial use, modification and redistribution are allowed with attribution.

    Community files

    • README: present
    • Contributing guide: present
    • Code of conduct: present

    Watch-outs

    • No GitHub releases; pin a commit or tag instead of a release.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    2025-12-03: 📣 We open-sourced VibeVoice‑Realtime‑0.5B, a real‑time text‑to‑speech model that supports streaming text input and robust long-form speech generation. Try it on Colab.

    To mitigate deepfake risks and ensure low latency for the first speech chunk, voice prompts are provided in an embedded format. For users requiring voice customization, please reach out to our team. We will also be expanding the range of available speakers.

    (Launch your own realtime demo via the websocket example in Usage).

    2025-09-05: VibeVoice is an open-source research framework intended to advance collaboration in the speech synthesis community. After release, we discovered instances where the tool was used in ways inconsistent with the stated intent. Since responsible use of AI is one of Microsoft’s guiding principles, we have disabled this repo until we are confident that out-of-scope use is no longer possible.

    VibeVoice is a novel framework designed for generating expressive, long-form, multi-speaker conversational audio, such as podcasts, from text. It addresses significant challenges in traditional Text-to-Speech (TTS) systems, particularly in scalability, speaker consistency, and natural turn-taking.

    Excerpt from the microsoft/VibeVoice README on GitHub (MIT license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Aug 16: +33Aug 17: +76Aug 18: +19Oct 3: +2Nov 7: +496Nov 8: +193

    +3,991 stars over 85 days across 13 snapshot days; best day +496 on Nov 7.

    Forks

    6.4K+435

    Open issues

    205+24

    Compared with peers in Backend

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 8, by 7-day star growth

    microsoft/VibeVoice compared with Backend repositories by stars, 7-day star growth, health score and last release
    RepositoryStars+7dHealthLast release
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    microsoft/VibeVoice56.7K+1.4K28—
    Category median94.5K+2.0K60—

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