Voice & audio
Chatterbox
Generate natural-sounding speech with adjustable emotions.
★ 26k
July 2026
MIT
Voice & audio
What we checked ourselves
Not copied from the project's own blurb. These are things we opened and verified, with the date.
- 23 Aug 2026We checked that the link to the project still resolves.
- 30 Aug 2026We read the project's own documentation and found no sign that development has stopped.
Where this sits among the 119 tools we list in Voice & audio
- No API key required114 of 119
- Keeps your data on your own machine30 of 119
- Commercial use confirmed as allowed56 of 119
- Requires terminal commands93 that do not →
Only 24 of the 119 meet all of the conditions above.
Counted from our own checks: every tool we list is examined against the same criteria.
What it does
Chatterbox allows you to generate natural-sounding speech for free, with the added ability to adjust the intensity of emotions like joy, anger, or sadness. This tool is perfect for creating expressive voiceovers or interactive AI dialogues.
Summary based on the project's own description. The Japanese page has a fuller beginner guide: setup difficulty, what to prepare, and a step-by-step start.
Screenshots & visuals
Before you start
- Setup difficultyEasy to start
- Command lineRequired
- API keyNot required
- Sends data onlineNo
Judged automatically from the project's own metadata. Always confirm on the official page.
Chatterbox FAQ
- Is Chatterbox free?
- Yes. It runs on your own machine, so there is no usage-based cost either.
- Do I need to install anything or write code to use Chatterbox?
- This is a library meant to be used from code. It is not a standalone app.
- Does Chatterbox work on a phone?
- No. It needs a computer.
- Can I use Chatterbox commercially?
- The licence is MIT, which permits commercial use. Conditions such as keeping the copyright notice still apply, so read the licence text before shipping it inside something.
How it compares
The conditions that decide whether you can actually use it, side by side.
| Tool | Command line | API key | Sends data out | Phone | Commercial use |
|---|---|---|---|---|---|
| Chatterbox (this page) | Required | Not needed | No | No | Yes |
| Text-To-Speech-Unlimited | Not needed | Not needed | Yes | No | Not verified |
| Whisper | Required | Not needed | No | No | Yes |
| Real-Time-Voice-Cloning | Required | Not needed | Yes | No | Not verified |
"Sends data out" means your input is uploaded to someone's server. Pick "No" when the material cannot leave your organisation.