Chatterbox
Free open voices with cloning, in 23 languages.
FreeOpen sourceRuns on your PC
- Best for
- Free local voices with emotion
- On your PC
- Technical
- Works on
- Windows, Mac, Linux
- License
- MIT
What’s good
- MIT license and voice cloning from a short clip
- Tags like [laugh] and [cough] for realism
- Nano version runs on a CPU
Downsides
- Retired in August 2026; no more updates or fixes
- Clearly below the paid leaders on quality
- Command line setup
The details.
- Version
- Chatterbox Multilingual V3Released 2026-06
- Open source
- Yes, MIT
- Made by
- Resemble AI
- Website
- github.com
How it ranks.
- TTS Arena V2#29 · score 14682026-11-05
- Artificial Analysis Speech Arena#85 · score 10222026-11-05
Can I run it myself?
Yes. Technical: command line or python.
Use chatterbox-tts Python package, mlx-audio (Mac).
- You need
- NVIDIA GPU or Apple Silicon Mac; Nano runs on 8 CPU cores
- Setup
- TechnicalCommand line or Python
- Laptop, 8 GBToo small
- PC, 16 GB+Too small
- Mac, 16 GBRuns
- Mac, 32 GBRuns
- Mac, 64 GB+Runs
- PC, 8 GB GPURuns
- PC, 12 GB GPURuns
- PC, 16 GB GPURuns
- PC, 24 GB GPURuns
- WorkstationRuns
What it sounds like.
“Hi, I'm reading this sentence so you can compare AI voices side by side. Which one sounds the most human to you?”