lightweight

MOSS-TTS Nano

Apache-2.0

Compact CPU speech generation with streaming and voice cloning.

Compact CPU speech generation with streaming and voice cloning. Supports 48 kHz stereo through a separate audio tokenizer. Follow the ONNX CPU guide for lightweight deployment; language coverage depends on the checkpoint.

Hear MOSS-TTS Nano

MOSS-TTS Nano 100M · official ONNX CPU checkpoint · synthetic Bella reference · Same three scripts across the directory.

Run it yourself

Best for: Compact CPU speech generation with streaming and voice cloning.

Permissive model license: The README’s warning applies only before a root LICENSE exists; that Apache license is now present. The weight card also declares Apache. Check the separately loaded tokenizer and selected reference voices.

Code: Apache-2.0; root LICENSE now present. Weights: Apache-2.0 model-card declaration. License sources checked 2026-09-20. Source 1 Source 2 Source 3

Before you choose: Supports 48 kHz stereo through a separate audio tokenizer. Follow the ONNX CPU guide for lightweight deployment; language coverage depends on the checkpoint. The model card does not clearly specify a separate weight license; verify redistribution terms. In this unedited fixed-seed sample, the emotional sentence repeats at the end. Audition your own scripts for repetition.

No comparable hardware benchmark verified. Check the official setup for your device.

Details reviewed 2026-09-14. Hardware figures are estimates unless a benchmark is linked.

Compare with similar

Compare all →

NeuTTS AirListen side-by-side →Pocket TTSListen side-by-side →Kokoro-82MListen side-by-side →

Choose an alternative to hear both models together.

Voices

1 voice

Female

Bella referencedefault

American

The scripts

Neutral

“The quick brown fox jumps over the lazy dog near the riverbank.”

Emotional

“I can't believe you actually did it. This is incredible!”

Numbers & Dates

“On March 14th, 2025, the team raised $4.2 million at a 38% margin.”

Run MOSS-TTS Nano

git clone https://github.com/OpenMOSS/MOSS-TTS-Nano.git
cd MOSS-TTS-Nano
pip install -e .

Sources & setup details

MOSS-TTS Nano FAQ

Do I need a GPU to run MOSS-TTS Nano?

MOSS-TTS Nano supports CPU inference. Speed depends on your processor, runtime, and text.

Can MOSS-TTS Nano clone voices?

Yes — MOSS-TTS Nano supports voice cloning from reference audio.

What license is MOSS-TTS Nano released under?

MOSS-TTS Nano is released under the Apache-2.0 license. Always check the repository for the exact terms — some models license code and weights separately.

What languages does MOSS-TTS Nano support?

MOSS-TTS Nano supports English, Chinese.

Is there a hosted MOSS-TTS Nano API?

OpenSpeech Cloud is accepting production-access interest for MOSS-TTS Nano, but this model is not currently hosted in Cloud. Use the official repository for current deployment options.