Kyutai's Pocket TTS clones a voice from 5 seconds of audio, on CPU, under MIT. Benchmarked against Kokoro, Supertonic, and Inflect-Nano for Eng. TTS
Summary
Kyutai released Pocket TTS, a text-to-speech model capable of cloning a voice from just 5 seconds of audio, running on CPU and released under the MIT license. It was benchmarked against Kokoro, Supertonic, and Inflect-Nano for English TTS.
Similar Articles
kyutai-labs/pocket-tts
Kyutai releases Pocket TTS, a lightweight text-to-speech model that runs efficiently on CPUs with 100M parameters, low latency, and voice cloning, supporting multiple languages.
CPU TTS benchmark with UTMOS MOS scoring: Kokoro, Supertonic, Inflect-Nano, and Kyutai's new Pocket TTS [P]
A CPU TTS benchmark compares Kokoro, Supertonic, Inflect-Nano, and Kyutai's Pocket TTS using UTMOS MOS scores, revealing interesting findings about RTF scaling, UTMOS limitations with small vocoders, and undocumented output caps. Pocket TTS offers unique zero-shot voice cloning on CPU.
Pocket TTS which supports voice cloning is now just 1.9 million parameters
Kyutai announces that its Pocket TTS model, which supports voice cloning, has been shrunk to just 1.9 million parameters—roughly 10x smaller than before—demonstrating that high-quality speech synthesis can run on extremely lightweight models.
Kitten-TTS 2: New Open-source SOTA 1.58 bit TTS (CPU-only with voice cloning, multilingual, emotion control)
KittenML 开源发布了 Kitten-TTS 2，这是全球首个 1.58-bit（三值化权重）TTS 模型，1.7B 参数，可在纯 CPU 上实时推理，支持少于 5 秒参考音频的零样本语音克隆、20+ 语言多语种支持以及情感与强调控制。
Local, CPU-Friendly, High-Quality TTS (Text-to-Speech) with Kokoro
This article introduces Kokoro, a lightweight 82M-parameter text-to-speech model that runs locally on CPU, providing high-quality speech synthesis across multiple languages while preserving privacy. It explains how to set up Kokoro via a Docker container with an OpenAI-compatible API for easy integration.