Voice: speakers and soundText to speech

GPT-SoVITS

Speech synthesis with voice cloning: a 5-second sample is enough, and after fine-tuning on a minute of recording the voice sounds noticeably more accurate. Use only with the voice owner's consent.

Developer
RVC-Boss and community, China
First release
Jan 2024
Latest release
Jun 2025
Sizes
under 1B
License
Commercial use allowedMIT
Russian
Not supported
Running
On your own serverAlso runs without a GPU
Industries
Media and production, Education
Deploy on your server Hugging Face GitHub

What it does

  • Voicing texts with a specific narrator's voice
  • Voice for a bot or assistant
  • Dubbing training videos

Where it is used

Media and productionOnline learningGames

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
fits
ClusterServer with several GPUs — flagship versions
no versions

Versions

  1. v2Pro
  2. v4
  3. v3
  4. v2
  5. GPT-SoVITS v1

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 GPT-SoVITS be used in a commercial project?

Yes. License: MIT. It allows commercial use, but it is still worth having a lawyer review the license before launch.

What hardware does GPT-SoVITS 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 GPT-SoVITS support Russian?

No. The model card lists its languages and Russian is not among them.

Where can I download GPT-SoVITS and what does it cost?

The GPT-SoVITS 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

Voice: speakers and soundRVC (Retrieval-based Voice Conversion)RVC-Project community · ChinaCommercial use allowed

The most widely used open voice conversion tool: a model for a specific voice trains on 10–30 minutes of recording and works in real time. Use only with the voice owner's consent.

DetailsText to speechF5-TTSShanghai Jiao Tong University and partners · ChinaNon-commercial only

A voice cloning model that needs only a few seconds of a sample, in English and Chinese. The community has released many fine-tuned versions for other languages, including Russian.

DetailsText to speechCosyVoice / Fun-CosyVoiceAlibaba (Tongyi, FunAudioLLM) · ChinaCommercial use allowed

Speech synthesis with voice cloning from a short sample and streaming output for live dialogue. Version 3 supports 9 languages, including Russian.

Details

Source: github.com/RVC-Boss/GPT-SoVITS/releases. Data checked against the model card on 22 Sep 2026. Have a lawyer review the license before commercial launch.