Text to speech

Supertonic

Very fast, lightweight speech synthesis that runs directly on the device, without a GPU or the cloud. Supertonic 3 speaks 31 languages, including Russian.

Developer
Supertone, South Korea
First release
Nov 2025
Latest release
May 2026
Sizes
about 99M
License
Commercial use with conditionsCode MIT, weights OpenRAIL-M (commercial use allowed, but with a list of prohibited uses)
Russian
Supported
Running
On your own serverAlso runs without a GPU
Industries
Customer support, Media and production, Education
Deploy on your server Hugging Face GitHub

What it does

  • Voicing voice bot replies on an ordinary server
  • Voiceover in offline and mobile apps
  • Reading texts and notifications aloud

Where it is used

Voice botsMobile appsEducation

Hardware requirements

LaptopLaptop or regular PC, up to 8 GB of VRAM — smaller versions
fits
1 GPUOne GPU with 16–80 GB — mid-size versions
no versions
ClusterServer with several GPUs — flagship versions
no versions

Versions

  1. Supertonic 3 (31 язык)
  2. Supertonic 2 (5 языков)
  3. Supertonic (английский)

How to run it

On your own serverWeights are downloaded from Hugging Face and served with vLLM (load and API) or llama.cpp (modest hardware). The model then runs in a closed network with no per-request fees.Hugging Face
How much hardware you needCalculate the VRAM for the model size, context length and number of concurrent requests.Open the hardware calculator

I can set this up end to end: pick the model size, deploy it on your server and connect it to your systems.

Frequently asked questions

Can Supertonic be used in a commercial project?

With conditions. License: Code MIT, weights OpenRAIL-M (commercial use allowed, but with a list of prohibited uses). Restrictions vary — region, company revenue, attribution requirements. Have a lawyer check the terms before a commercial launch.

What hardware does Supertonic need?

At minimum: Laptop or regular PC, up to 8 GB of VRAM — smaller versions. Some versions also run on an ordinary CPU, without a GPU. You can calculate the exact VRAM for your model size and context in the hardware calculator.

Does Supertonic support Russian?

Yes, Russian is listed on the model card.

Where can I download Supertonic and what does it cost?

The Supertonic weights are open and free to download. You only pay for the hardware it runs on and for the setup. Source links are at the bottom of this page.

How I deploy it for clients

  1. SelectionI pick the model size for your task and hardware and test it on your examples.
  2. DeploymentI deploy it on your server or in a closed network and provide an API.
  3. Fine-tuningI fine-tune it on your data (LoRA) or connect a knowledge base — whichever is cheaper for the task.
  4. IntegrationI connect it to your CRM, ERP, bot, website or team chat and set up monitoring.

Similar models

Text to speechPiperRhasspy / Open Home Foundation · USACommercial use with conditions

Very fast speech synthesis that runs even on a Raspberry Pi. Ready-made voices in 35+ languages, including several Russian ones.

DetailsText to speechKokorohexgrad (independent developer) · not disclosedCommercial use allowed

A tiny speech synthesis model (82M) that sounds on par with large ones. Runs on a regular CPU; English and a few other languages, no Russian.

DetailsText to speechSilero TTSSilero · RussiaCommercial use with conditions

Lightweight Russian speech synthesis that runs on a regular CPU. Version v5 added CIS languages and languages of Russia's peoples: Tatar, Bashkir, Yakut, Kazakh and others.

Details

Source: huggingface.co/api/models/Supertone/supertonic-3. Data checked against the model card on 22 Sep 2026. Have a lawyer review the license before commercial launch.