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  1. Home
  2. AI Models
  3. Speech & Audio
  4. OpenVoice
open sourcespeech

OpenVoice

Clone any voice in seconds — free MIT-licensed open-source voice AI

Developed by MyShell.ai

Try Model
~200MParams
YesAPI
stableStability
OpenVoice V2Version
MITLicense
PyTorchFramework
YesRuns Local

Playground

Implementation Example

Example Prompt

user input
Reference: my_voice_sample.wav (5 sec). Text: 'Welcome to today's episode of the podcast — let's dive in!' Style: 'friendly_warm', Language: 'en'

Model Output

model response
Returns a WAV file with the input text spoken in the exact tone color of the reference voice, with friendly intonation and natural rhythm — ready for podcast post-production.

Examples

Real-World Applications

  • Audiobook narration
  • video voiceovers
  • multilingual dubbing
  • game NPC dialogue
  • accessibility apps
  • language learning
  • podcast translation
  • virtual assistants.

Docs

Model Intelligence & Architecture

What is OpenVoice?

OpenVoice is a powerful open-source voice cloning model from MyShell.ai, released in early 2024 with a major OpenVoice V2 update later that year. It clones any voice from a short audio reference (just a few seconds) and generates speech in that voice across multiple languages.

What makes OpenVoice special is its granular control — you can adjust emotion, accent, rhythm, pauses, and intonation while preserving the cloned voice timbre. It's released under the MIT license, making it 100% free for commercial use.

Why OpenVoice Is Trending in 2026

Voice cloning has exploded in 2026, and OpenVoice is the top open-source alternative to ElevenLabs and PlayHT. With OpenVoice V2, MyShell improved audio quality, expanded language support to 6 major languages with cross-lingual cloning, and dramatically reduced inference latency.

It's also one of the most ethically-released voice models, with built-in watermarking and clear acceptable-use guidelines.

Key Features and Capabilities

OpenVoice supports instant voice cloning from a single short audio reference — no training required. It generates speech in English, Chinese, Spanish, French, Japanese, and Korean, with cross-lingual cloning so an English speaker can speak fluent Spanish in their own voice.

You also get fine-grained style control over emotion (happy, sad, angry, friendly), accent, rhythm, pauses, and intonation.

Who Should Use OpenVoice?

OpenVoice is built for YouTubers, podcasters, audiobook creators, indie game developers, e-learning platforms, accessibility tool developers, and dubbing professionals who need low-cost, high-quality voice generation.

It's also widely used by AI assistants and chatbot developers wanting custom voices without per-character API fees.

Top Use Cases

Production deployments include audiobook narration, video voiceovers, multilingual dubbing, video game NPC dialogue, accessibility apps for the visually impaired, language learning tools, podcast translations, and virtual assistant voices.

Indie creators love it for translating videos into other languages while keeping their own voice — a feature that previously cost hundreds of dollars per minute on commercial platforms.

Where Can You Use It?

OpenVoice runs locally on any GPU with 4–8 GB VRAM via the official MyShell GitHub repo. Hosted access is available on Hugging Face Spaces, Replicate, and MyShell's own platform (which also offers a free tier).

It integrates with ComfyUI, FastAPI deployments, and is ONNX-exportable for lightweight server deployment.

How to Use OpenVoice (Quick Start)

Clone the repo: git clone https://github.com/myshell-ai/OpenVoice. Run the demo notebook with a 5–30 second voice reference and your target text. The model produces an audio file in the cloned voice within seconds.

For OpenVoice V2, simply pass language and style parameters for cross-lingual generation with emotion control.

When Should You Choose OpenVoice?

Choose OpenVoice when you need unlimited self-hosted voice cloning with full data privacy and zero per-character fees. It's the best free option in 2026 for high-volume voice generation.

For absolute top-tier quality, ElevenLabs and PlayHT still edge out — but they cost $0.30+ per 1,000 characters. OpenVoice is free.

Pricing

OpenVoice is completely free under MIT license. Self-host with zero fees. The hosted MyShell platform offers a generous free tier and pay-as-you-go pricing far below ElevenLabs.

Pros and Cons

Pros: ✔ MIT license ✔ Instant cloning from short reference ✔ 6 languages with cross-lingual ✔ Style/emotion control ✔ Runs on consumer GPUs ✔ Built-in watermarking

Cons: ✘ Quality slightly below ElevenLabs ✘ Limited to 6 languages ✘ Smaller community than XTTS

Final Verdict

OpenVoice is the smartest open-source voice cloning AI of 2026 — free, fast, and ethical. Discover more voice AI tools at FreeAPIHub.com.

Evaluation

Advantages & Limitations

Advantages
  • ✓ MIT license
  • ✓ Instant cloning from short reference
  • ✓ Cross-lingual cloning
  • ✓ Style and emotion control
  • ✓ Runs on consumer GPUs
  • ✓ Built-in audio watermarking
Limitations
  • ✗ Quality below top closed models
  • ✗ Only 6 languages
  • ✗ Smaller community than XTTS

Important Notice

Verify Before You Decide

Last verified · Apr 29, 2026

The details on this page — including pricing, features, and availability — are based on our last review and may not reflect the provider's current offering. Providers update their products frequently, sometimes without prior notice.

What may have changed

Pricing Plans
Features & Limits
Availability
Terms & Policies

Always visit the official provider website to confirm the latest pricing, terms, and feature availability before subscribing or integrating.

Check official site

External Resources

Try the Model Official Website Source Code Pricing Details

Technical Details

Architecture
Tone Color Converter + Base Speaker TTS
Stability
stable
Framework
PyTorch
License
MIT
Release Date
2023-12-29
Signup Required
No
API Available
Yes
Runs Locally
Yes

Rate Limits

No limits self-hosted

Pricing

Free MIT-licensed; hosted on MyShell with free tier

Best For

Creators needing unlimited voice cloning without ElevenLabs subscription costs

Alternative To

ElevenLabs, PlayHT, Murf.ai

Compare With

openvoice vs elevenlabsopenvoice vs xttsopenvoice vs playhtfree voice cloning aibest open source tts

Tags

#Speech Synthesis#Openvoice#Myshell#Open Source AI#text-to-speech#voice cloning

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