Voice: speakers and soundText to speech

OpenVoice

Instant voice cloning from a short sample with control over emotion and accent; V2 speaks several languages. Use only with the voice owner's consent.

The last open version came out in Apr 2024. The family has not been updated for a long time: the model still works, but do not expect fixes or new sizes.

Developer
MyShell and MIT, USA
First release
Jan 2024
Latest release
Apr 2024
Sizes
under 1B
License
Commercial use allowedMIT (V1 and V2)
Russian
Not supported
Running
On your own serverAlso runs without a GPU
Industries
Marketing and content, Media and production, Education, Customer support
Deploy on your server Hugging Face GitHub

What it does

  • Voicing videos with the company narrator's voice
  • Voice bot with a recognizable brand voice
  • Transferring timbre onto existing speech synthesis

Where it is used

Marketing and mediaOnline learningCall centers

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. OpenVoice V2
  2. OpenVoice 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 OpenVoice be used in a commercial project?

Yes. License: MIT (V1 and V2). It allows commercial use, but it is still worth having a lawyer review the license before launch.

What hardware does OpenVoice 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 OpenVoice support Russian?

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

Where can I download OpenVoice and what does it cost?

The OpenVoice 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 soundSeed-VCSongting Liu (Plachtaa) · ChinaCommercial use with conditions

Voice conversion without training: transfers timbre from a 1–30 second sample, can sing and work in real time; V2 also changes accent. Use only with the voice owner's consent.

DetailsText to speechCoqui XTTSCoqui · GermanyNon-commercial only

A popular model for cloning a voice from a short sample in 17 languages, including Russian. Coqui has shut down and development has stopped.

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.

Details

Source: huggingface.co/api/models/myshell-ai/OpenVoiceV2. Data checked against the model card on 22 Sep 2026. Have a lawyer review the license before commercial launch.