Free AI tools to turn text into speech

The best free, open-source AI tools to turn text into speech are Kokoro, Piper, Coqui TTS, and Bark. Each one is free, scored, and labeled with what it takes to run.

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Voice3.6

Kokoro

A very small text-to-speech model that sounds far better than its size suggests.

Some setup
Windows · Mac · Linux

Code: Open source, Apache-2.0
Models: Open weights
Runs: On your computer
Real cost: Free

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Archived

Voice3.3

Piper

Fast, natural text-to-speech that runs on small devices, even a Raspberry Pi.

Some setup
Windows · Mac · Linux

Code: Open source, MIT
Models: Open weights
Runs: On your computer
Real cost: Free

Get it

Voice3.7

Coqui TTS

A text-to-speech toolkit with many voices and languages, including voice cloning models.

Some setup
Windows · Mac · Linux

Code: Open source, MPL-2.0
Models: Mixed, some non-commercial
Runs: On your computer
Real cost: Free

Get it

Voice3.7

Bark

Text-to-audio that produces expressive speech with laughter, pauses, and background sounds.

Some setup
Windows · Mac · Linux

Code: Open source, MIT
Models: Open weights
Runs: On your computer
Real cost: Free

Get it