Voice: speakers and sound

RVC (Retrieval-based Voice Conversion)

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.

Developer
RVC-Project community, China
First release
Mar 2023
Latest release
Jul 2026
Sizes
tens of millions of parameters
License
Commercial use allowedMIT
Running
On your own serverAlso runs without a GPU
Industries
Media and production
Deploy on your server Hugging Face GitHub

What it does

  • Voicing content with one brand voice
  • Covers and vocal work
  • Real-time voice changing

Where it is used

Media and productionMusicEntertainment and streaming

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. RVC 2.3
  2. RVC 2.2
  3. RVC v2
  4. RVC 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 RVC (Retrieval-based Voice Conversion) 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 RVC (Retrieval-based Voice Conversion) 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 RVC (Retrieval-based Voice Conversion) support Russian?

Language does not matter for this model: it does not work with text.

Where can I download RVC (Retrieval-based Voice Conversion) and what does it cost?

The RVC (Retrieval-based Voice Conversion) 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.

DetailsVoice: speakers and soundGPT-SoVITSRVC-Boss and community · ChinaCommercial use allowed

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.

Details

Source: github.com/RVC-Project/Retrieval-based-Voice-Conversion-WebUI/releases. Data checked against the model card on 22 Sep 2026. Have a lawyer review the license before commercial launch.