Voice & Speech

VITS

End-to-End Text-to-Speech using Conditional Variational Autoencoder with Adversarial Learning

Status
UnmaintainedNo commits in 1899 days.
Last checked
Checked · Oct 13, 2026
License
Open source
Pricing
Free tier · from $0

What it is

VITS is a state-of-the-art text-to-speech model that leverages conditional variational autoencoders and adversarial learning to generate high-quality speech from text. It's designed for developers and researchers working on voice AI applications.

VITS stands out for its use of conditional variational autoencoders and adversarial learning, offering a unique approach to generating high-quality speech from text.

When it fits — and when it doesn’t

A good fit for

  • Research teams working on improving the quality of synthesized speech in voice AI applications

  • Developers building custom voice assistants that require high-quality, natural-sounding speech output

Look elsewhere if

  • Projects requiring real-time text-to-speech capabilities without significant latency

  • Applications where the model's size and computational requirements are prohibitive

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited language support beyond English

    Documentation and community examples focus primarily on English text-to-speech use cases

  2. 02

    Resource-intensive for real-time applications

    High computational requirements make it less suitable for low-power devices or environments with limited GPU resources

What it does well

  • High-quality speech synthesis from text

  • Uses conditional variational autoencoder and adversarial learning

  • Open-source with a permissive MIT license

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up VITS

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
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VITS — tracked on AI Navigator

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