Tortoise TTS
by neonbjb
Open-source TTS model with strong prosody — slow on CPU.
TL;DR
Open-source TTS model with strong prosody — slow on CPU.
Best for researchers and tinkerers experimenting with open-source TTS prosody. Pricing: free.
Category
Open source
License
—
Stars
—
Last push
—
Pricing
free
Platforms
macOS, Windows, Linux
What it is
Tortoise TTS is an open-source neural TTS model known for strong prosody, voice cloning, and multi-speaker output. Apache-2.0 licensed but inference is slow on CPU.
Best for: Researchers and tinkerers experimenting with open-source TTS prosody.
Watch out for: Slow inference; effectively English-only; GPU strongly recommended.
Watch out for: Slow inference; effectively English-only; GPU strongly recommended.
Install / use
pip install tortoise-tts
Features
| Speaker diarization | No |
| Word-level timestamps | No |
| Streaming / real-time | No |
| Languages supported | 1 |
| HIPAA eligible | No |
Tortoise TTS vs Whipscribe
| Feature | Tortoise TTS | Whipscribe |
|---|---|---|
| Category | Open source | Transcription APIs |
| Pricing | free | free beta |
| Speaker diarization | No | Yes |
| Word timestamps | No | Yes |
| Streaming | No | No |
| Languages | 1 | 99 |
| Platforms | macOS, Windows, Linux | Web, API, MCP |
Alternatives to Tortoise TTS
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