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Kyutai TTS

kyutai.org

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Spec score 8.4 #64 of 223 in Text-to-Speech Software

Spec sheet

Product
Kyutai describes TTS as two open-source text-to-speech models: Pocket TTS and Kyutai TTS 1.6B.Read 12 Oct 2026 · kyutai.org
Platforms
web,macos,ios,api,self_hostedRead 20 Sep 2026 · kyutai.org
License
The Pocket TTS GitHub repository identifies its license as MIT.Read 12 Oct 2026 · github.com
Headquarters
Paris, FranceRead 28 Sep 2026 · kyutai.org
Founded
2023Read 28 Sep 2026 · kyutai.org
API access
YesRead 20 Sep 2026 · kyutai.org
Browser demo
The maker says visitors can try Pocket TTS in a browser without installing anything.Read 12 Oct 2026 · github.com
Export formats
WAVRead 20 Sep 2026 · kyutai.org
Integration
Kyutai says TTS 1.6B is used in Unmute, its interactive real-time speech demo.Read 12 Oct 2026 · kyutai.org
Interfaces
Pocket TTS provides a Python API, command-line interface, and local HTTP server.Read 12 Oct 2026 · github.com
Languages
The Pocket TTS repository lists English, French, German, Portuguese, Italian, Spanish, and Dutch support.Read 12 Oct 2026 · github.com
Limit
The Pocket TTS repository lists adding silence in the input text to create pauses as unsupported.Read 12 Oct 2026 · github.com
Organization
Kyutai describes itself as an open-science AI research lab based in Paris.Read 12 Oct 2026 · kyutai.org
Performance
The repository reports about 200 ms to the first audio chunk and roughly six times real-time generation on a MacBook Air M4 CPU.Read 12 Oct 2026 · github.com
Pocket TTS
Pocket TTS is a 100-million-parameter model designed to run in real time on a CPU.Read 12 Oct 2026 · kyutai.org
Runtime requirements
Pocket TTS supports Python 3.10 through 3.14 and requires PyTorch 2.5 or later; it does not require the GPU version of PyTorch.Read 12 Oct 2026 · github.com
Streaming model
Kyutai TTS 1.6B can begin generating audio before the full text input is available, a design the maker says suits low-latency voice assistants.Read 12 Oct 2026 · kyutai.org
Voice cloning
Pocket TTS can clone a voice from an audio sample when run locally.Read 12 Oct 2026 · kyutai.org

Plans and prices

Kyutai Pocket TTS Free Open-source model; 100M parameters; runs on CPU; voice cloning; seven listed languages Read 12 Oct 2026 · github.com
Kyutai TTS 1.6B Free Open-source streaming model; designed for servers and low-latency applications Read 12 Oct 2026 · kyutai.org

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