Pocket TTS: Clone Any Voice in 5s on CPU

gvij · reddit · 2026-07-06

Kyutai's Pocket TTS is a streaming language model with roughly 100 million parameters. It uses the Mimi neural codec to generate audio tokens, enabling zero-shot voice cloning from just 5 seconds of reference audio without needing a GPU. It is MIT-licensed and easily installed via pip. The author compared it against three CPU TTS models: Kokoro, Supertonic, and Inflect-Nano. Across 180 timed tests, its latency remained nearly constant regardless of text length (RTF 0.69-0.76) and supported streaming output. Although it was the slowest of the four, it offered the most unique features.

Related event: Kyutai Open-Sources Pocket-TTS for CPU-Based Voice Cloning(4 posts)→

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