MOSS-TTS
An open-source speech and sound generation model family designed for high-fidelity scenarios including multi-speaker dialogue。
GraphCanon updated Sep 20, 2026 · GitHub synced Sep 20, 2026
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Decision brief
MOSS-TTS, an open-source project for generating high-fidelity audio including speech and sound effects, supports real-time TTS and voice design tasks.
Good fit when
- When developing applications that require complex, high-expressiveness audio scenarios, such as long-form speech or multi-speaker dialogues.
- For projects aiming to produce environmental sound effects along with synthetic speech within real-time constraints, thanks to its support for real-time TTS.
Avoid when
- If your project requires minimal dependencies and simple installation processes since MOSS-TTS involves setting up a virtual environment and specific PyTorch versions.
- When working on systems with limited GPU capabilities, because MOSS-TTS benefits from but may require certain GPUs for FlashAttention 2 optimizations.
- Pricing:
- freemium - Free to use under the Apache License, version 2.0.
Observed Jul 17, 2026 · Source: enrich:decision_facts
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Maintenance and security
Full trust report- Maintenance
- Active (14d since push)
- As of Sep 20, 2026
- Provenance
- Not a fork · Organization account
- As of Sep 20, 2026
- Security (OSV)
- No lockfile
- As of Jul 11, 2026
Public GitHub metadata and optional OSV scans. Signals, not a guarantee. Trust methodology.
Install
pip install MOSS-TTSSimilar tools
Same-category neighbours. No typed graph edges are catalogued for this tool yet.
Evidence and technical details
Sourced facts, taxonomy, compatibility claims, README excerpt, and machine-readable endpoints.
Overview
MOSS-TTS Family is an open-source project from MOSI.AI and the OpenMOSS team focused on generating high-quality, expressive audio, covering areas such as long-form speech, voice design, and real-time TTS.
Capability facts
- CLI
- CLI entrypoint
Source: pyproject.toml:[project.scripts] · Sep 20, 2026
- Languages
- python
Source: github.language+pyproject.toml · Sep 20, 2026
Categories
Compatibility
Sourced claims from the README excerpt - not unsourced marketing copy.
Source: README excerpt (regex_v1, Sep 20, 2026)
uv venv --python 3.12 .venvSource link
Tags
README
Install uv first: https://docs.astral.sh/uv/getting started/installation/ git clone https://github.com/OpenMOSS/MOSS TTS.git cd MOSS TTS uv venv python 3.12 .venv source .venv/bin/activate uv pip install torch backend cu128 e ".[torch runtime]" bash pip install extra index url ht...
For agents
This page has a .md twin and JSON over the API.