Tortoise TTS
The facts below are what the maker publishes about Tortoise TTS, checked and dated. Our editors have not written about it yet.
Plans and prices
From Tortoise TTS's own pricing page, checked 12 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Open-source software | Free | Apache 2.0 licensed code · run inference locally or use a hosted demo |
The facts
Each one read from Tortoise TTS's own pages, with the date it was checked.
What it does
- API access
- Yeschecked 20 Sep 2026
- Custom voices
- Users can add a voice by providing at least three roughly 10-second WAV clips at 22,050 Hz.checked 12 Oct 2026
- Dependencies
- The project acknowledges Hugging Face for the GPT model and generation API and for hosting model weights.checked 12 Oct 2026
- Hardware
- The README says local use requires an NVIDIA GPU and describes a separate Apple Silicon setup for macOS 13 or later with M1 or M2 chips.checked 12 Oct 2026
- Hosted demo
- A live demo is hosted on Hugging Face Spaces, and the README says CPU-only Spaces do not work for it.checked 12 Oct 2026
- Inference
- The repository contains the code needed to run Tortoise TTS in inference mode.checked 12 Oct 2026
- License
- Tortoise TTS is licensed under Apache 2.0.checked 12 Oct 2026
- Long text
- The read and read_fast scripts split text files into speech clips and can combine the clips into one file.checked 12 Oct 2026
- Programmatic use
- The Python API accepts reference audio and generates speech using a selected preset.checked 12 Oct 2026
- Purpose
- Tortoise is a text-to-speech program focused on multi-voice capability and realistic prosody and intonation.checked 12 Oct 2026
- Streaming
- The repository includes a socket streaming server that listens on port 5000.checked 12 Oct 2026
- Voice cloning
- Yeschecked 20 Sep 2026
- Voice references
- The model uses speaker reference clips to guide voice qualities such as pitch, tone, and speaking speed.checked 12 Oct 2026
The company
- Maker
- The author identifies himself as James Betker and says his employer was not involved in the project’s development.checked 12 Oct 2026
Where it runs
- Platforms
- windows,macos,api,self_hostedchecked 20 Sep 2026
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