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MOSS-TTS Local Transformer v1.5

Apache-2.0

48 kHz stereo speech and cloning with the Local Transformer v1.5 architecture.

48 kHz stereo speech and cloning with the Local Transformer v1.5 architecture. A separate 4B checkpoint. Streaming support depends on the inference backend; use the linked SGLang-Omni recipe.

Hear MOSS-TTS Local Transformer v1.5

Standardized samples are pending for this release. See the official sources below for the author’s demo.

MOSS-TTS Local Transformer v1.5 · Default · Same three scripts across the directory.

Run it yourself

Best for: 48 kHz stereo speech and cloning with the Local Transformer v1.5 architecture.

Before you choose: A separate 4B checkpoint. Streaming support depends on the inference backend; use the linked SGLang-Omni recipe.

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

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VibeVoiceListen side-by-side →XTTS v2Listen side-by-side →Fish Speech 1.5Listen side-by-side →

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No samples yet

Every model in this directory is read against the same three scripts so voices can be compared honestly — MOSS-TTS Local Transformer v1.5’s samples just haven’t been generated yet.

Contribute samples on GitHub →

Run MOSS-TTS Local Transformer v1.5

git clone https://github.com/OpenMOSS/MOSS-TTS.git
cd MOSS-TTS
# Follow the Local Transformer v1.5 setup.

Sources & setup details

MOSS-TTS Local Transformer v1.5 FAQ

Do I need a GPU to run MOSS-TTS Local Transformer v1.5?

We have not verified a hardware requirement for this release. Follow the official setup instructions.

Can MOSS-TTS Local Transformer v1.5 clone voices?

Yes — MOSS-TTS Local Transformer v1.5 supports voice cloning from reference audio.

What license is MOSS-TTS Local Transformer v1.5 released under?

MOSS-TTS Local Transformer v1.5 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 Local Transformer v1.5 support?

MOSS-TTS Local Transformer v1.5 supports English, Chinese, Japanese, Korean, German, French, Spanish, Italian, Portuguese, Russian, Arabic, Hindi.

Is there a hosted MOSS-TTS Local Transformer v1.5 API?

OpenSpeech Cloud is accepting production-access interest for MOSS-TTS Local Transformer v1.5, but this model is not hosted in the beta. Use the official repository for current deployment options.