PiVo: Open-Source 1.4M-Parameter TTS Runs 4x Real-Time on CPU

empero-ai released PiVo, an open-source Rust-based streaming TTS stack with only 1.4M parameters (5.8MB), achieving 4x real-time synthesis on a single CPU thread with two English voices.

2026-11-02 ~ 2026-11-03 · 2 related posts

• PiVo: a full TTS stack with vocoder in just 1.4M parameters, running locally on CPU — pmttyji · 2026-11-02
• PiVo ships 1.4M-param TTS in a 5.8MB Rust binary, 4x realtime on one CPU thread — solyarisoftware · 2026-11-03