Side by side

Chatterbox TTS vs Voicebox

Both stand on text-to-speech tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Chatterbox TTS

Free plan Open source APILinuxMac+2

Chatterbox offers several open-source model choices, with documented installation paths and device options. Generated files carry a PerTh watermark, and Resemble says its voice generation is no longer a commercial product.

Visit Chatterbox TTS

Voicebox

Free plan Open source AndroidAPIiPhone+5

Voicebox centers voice work on a local desktop app, with generation, dictation, editing, and API features. The Local plan is free forever; cloud features are still marked as coming soon.

Visit Voicebox

The facts

	Chatterbox TTS	Voicebox
Free plan	Yes	Yes
Open source	Yes	Yes
Runs on	API, Linux, Mac, Self-hosted, Windows	Android, API, iPhone, Linux, Mac, Self-hosted, Web, Windows
Lowest paid plan	Free or on request	Cloud: $12 a year
Plans published	2	3
Maker	Chatterbox TTS	Not published
Website	github.com	voicebox.sh
On text-to-speech tools	#2 of 232	#1 of 232

Chatterbox TTS: what it does well

MIT-licensed models are free for research and development
Multilingual model lists 23 supported languages
Turbo accepts tags for vocal reactions
Voice cloning and WAV export are supported
CUDA, CPU, and MPS device options are listed

What to know first

Generated audio includes a PerTh watermark
Resemble no longer offers voice generation commercially
The README describes development with Python 3.11 on Debian 11

Voicebox: what it does well

Works offline without an account.
Local plan includes unlimited generations and captures.
Local Whisper models support 99 languages.
Local REST API supports speech generation.

What to know first

Cloud backup and mobile sync are coming soon.
Cloud pricing and limits are not final.
Desktop downloads list specific macOS and Windows builds; Linux is built from source.

Alternatives to Chatterbox TTS Alternatives to Voicebox The whole list