Coqui

Generative AI for Voice.

Freemium
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Web, macOS, Windows, Linux, API, Command-line interface
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AI Tools for Voice CloningDesignAudio

Free plan available
No credit card

What is Coqui?

Coqui is an open-source platform for generating and manipulating speech using artificial intelligence. It allows developers and creators to build voice applications without requiring deep machine learning expertise. The platform provides tools for text-to-speech synthesis, voice cloning, and speech-to-speech conversion. Coqui is designed for both hobbyists exploring voice AI and professionals building production applications. The open-source approach means the code is publicly available, and the freemium model lets you get started at no cost. It's particularly useful if you want more control over your voice models compared to closed commercial alternatives.

Key features

Text-to-speech synthesis

convert written text into spoken audio with natural-sounding voices

Voice cloning

create a synthetic voice based on a sample of someone's speech

Speech-to-speech conversion

modify existing audio whilst preserving the original speaker's identity

Open-source codebase

access and modify the underlying models and code for your own purposes

API access

integrate voice generation into your own applications and workflows

Multiple language support

generate speech in various languages and accents

Pros & cons

Advantages

Open-source and transparent, so you can inspect and modify how it works
No licensing restrictions for many use cases; you can use generated voices in projects commercially
Lower barrier to entry than hiring voice actors or using closed proprietary platforms
Active community contributing improvements and custom models

Limitations

Voice quality may not match premium commercial alternatives in some cases
Requires some technical knowledge to set up and run locally; cloud hosting has additional costs
Training custom voice models requires decent computational resources and audio samples