OpenVoice
Instant voice cloning by MIT and MyShell. Audio foundation model.
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is OpenVoice?
OpenVoice is an open-source tool for instant voice cloning developed by MIT and MyShell, providing a powerful audio foundation model for developers to integrate into their applications.
Key differentiator
“OpenVoice stands out as an open-source solution with a focus on providing developers with instant voice cloning capabilities, offering flexibility and customization options not commonly found in other tools.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
API requires Python-specific patterns, TypeScript SDK is community-maintained
v0.1 to v0.2 migration required rewriting chain definitions
Primary development and documentation focus is on Python, with minimal support for other languages
Voice cloning process can become slow when processing large volumes of audio data concurrently
Fit analysis
Who is it for?
✓ Best for
Developers looking to integrate high-quality voice cloning features into their applications
Projects requiring flexible and customizable voice synthesis capabilities
✕ Not a fit for
Teams needing real-time streaming (batch-only architecture)
Budget-constrained projects that cannot afford the computational resources required for self-hosting
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Works well with
Integrations
Next step
Get Started with OpenVoice
Step-by-step setup guide with code examples and common gotchas.