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CosyVoice

Free#12 of 25 in Voice Cloning SoftwareText-to-Speech Software

CosyVoice: A self-hosted choice for multilingual cloning, streaming synthesis, and deployment control. Ranked #12 of 25 in Voice Cloning Software by our editors (7.9/10); pricing: Free plan; best for cross-lingual local deployments.

7.9/10Editor score
Visit CosyVoice
CosyVoice7.9 Visit CosyVoice

At a glance

  • Editor score
    7.9 / 10
  • Pricing
    Free plan
  • Best for
    Cross-lingual local deployments
  • Free plan
    Yes
  • Paid from
    None
  • Commercial use
    Yes
  • Facts checked
    20 Sep 2026
CosyVoice screenshot

  • Where it wins

    • Zero-shot multilingual and cross-lingual voice cloning
    • Streaming synthesis with pronunciation and text-normalization controls
    • FastAPI and gRPC examples for self-hosted deployment

  • Where it doesn't

    • Self-hosted deployment requires a Linux and API-oriented setup
    • Export format listed as WAV
    • No hosted SaaS plans or managed service tier

Our verdict on CosyVoice

CosyVoice is an open-source text-to-speech and voice-cloning system for developers and organizations that need self-hosted speech generation. The published project describes Fun-CosyVoice 3.0 as supporting multilingual speech synthesis across nine listed common languages, zero-shot multilingual and cross-lingual cloning, voice conversion, and instruction controls for language, dialect, emotion, speed, and volume. Its Apache-2.0 license and commercial-use listing make it suited to teams that want to operate the system locally rather than adopt a hosted SaaS product.

Its strongest area is control over multilingual speech workflows. CosyVoice supports text-in and audio-out streaming, text normalization for numbers, symbols, and varied text formats, and pronunciation inpainting using Chinese Pinyin and English CMU phonemes. These capabilities give developers several ways to refine generated speech, particularly when cross-lingual output or pronunciation accuracy matters. Python inference examples, downloadable models, and a web demo are also described in the project materials.

Deployment is oriented toward technical teams. Linux, API access, and self-hosting are the listed platform options, while FastAPI and gRPC deployment examples support integration into locally managed applications. The published plans show an open-source, free model rather than paid tiers, so there is no hosted upgrade path to compare. WAV is the listed export format, and organizations seeking a managed service, broader platform coverage, or a different export workflow should consider an alternative. Choose CosyVoice when local control and cross-lingual cloning are priorities; avoid it when the requirement is a turnkey hosted product.

CosyVoice pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on github.com

CosyVoice fact sheet

Free planYes
Paid fromNone
Commercial useYes
API accessYes
Instant cloningNot verified
Supported languagesNot verified
Monthly character limitNot verified
Cloning methodNot verified
Pronunciation controlsNot verified
DeploymentSelf-hosted
PlatformsLinux
SupportCommunity, Docs
Built forSmall business, Mid-market, Enterprise (editorial estimate)
PricingFree plan
Websitegithub.com
Facts checked20 Sep 2026

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Featured on iTechGuides

Featured on iTechGuides — CosyVoice 7.9/10

CosyVoice is listed in our Voice Cloning Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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