tts.spqw.net

Open-source text-to-speech — ranked for this CPU box, with listen samples.

Leaderboard · Oct 2026

Quality and speed on CPU (no GPU). Higher is better for speed (× realtime).

# Model On this box
1 Kokoro-82M
ONNX INT8 · Apache 2.0 · presets
Default · ~1–5× realtime
2 Chatterbox Nano
110M · MIT · cloning · tags
Installing · CPU-first
3 Piper
ONNX · MIT · many voices
Fastest fallback
— Chatterbox Turbo / Multilingual
MIT · cloning
Needs GPU for speed

Kokoro samples

82M · ONNX INT8 · CPU

af_heart

American · female

Hello — this is Kokoro running on this cloud computer.

am_adam

American · male

State of the art text to speech can still run fast on CPU.

af_sky

American · female

Weekly reviews keep the default stack current.

bm_george

British · male

These demos are served from tts.spqw.net.

Chatterbox samples

Coming next — Nano first on CPU.