How to use from
llama.cpp
Install (macOS, Linux)
curl -LsSf https://llama.app/install.sh | sh
# Start a local OpenAI-compatible server with a web UI:
llama serve -hf OpenBloom/MOSS-TTS-Realtime-GGUF:Q4_K_M
# Run inference directly in the terminal:
llama cli -hf OpenBloom/MOSS-TTS-Realtime-GGUF:Q4_K_M
Install from WinGet (Windows)
winget install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama serve -hf OpenBloom/MOSS-TTS-Realtime-GGUF:Q4_K_M
# Run inference directly in the terminal:
llama cli -hf OpenBloom/MOSS-TTS-Realtime-GGUF:Q4_K_M
Build from source code
git clone https://github.com/ggml-org/llama.cpp.git
cd llama.cpp
cmake -B build
cmake --build build -j --target llama-app
# Start a local OpenAI-compatible server with a web UI:
./build/bin/llama serve -hf OpenBloom/MOSS-TTS-Realtime-GGUF:Q4_K_M
# Run inference directly in the terminal:
./build/bin/llama cli -hf OpenBloom/MOSS-TTS-Realtime-GGUF:Q4_K_M
Use Docker
docker model run hf.co/OpenBloom/MOSS-TTS-Realtime-GGUF:Q4_K_M
Quick Links

MOSS-TTS-Realtime 2.0.0 β€” GGUF (Q4_K_M)

OpenBloom Labs' GGUF quantization of MOSS-TTS-Realtime 2.0.0 β€” a realtime streaming text-to-speech model from the OpenMOSS team.

Files

File Size sha256
moss-tts-realtime-q4_k_m.gguf 1,335,751,072 B (~1.24 GiB) ccd2ab76524affbc3a33a54f56224e24eabb008e73dd2b4142e8bf48cf492ed6

The quantization keeps the local codebook embeddings at f16 (the host lookups require f16/f32 rows); everything else rides Q4_K_M.

Usage

The conversion targets llama.cpp via KrisKross β€” OpenBloom's build of the OpenMOSS llama.cpp fork (llama-moss-tts + llama-moss-tts-realtime, the streaming duplex lane). Any llama.cpp-compatible loader that carries the MOSS-TTS architecture can serve it too.

# verify before use
sha256sum moss-tts-realtime-q4_k_m.gguf
ccd2ab76524affbc3a33a54f56224e24eabb008e73dd2b4142e8bf48cf492ed6

License

The MOSS-TTS model is Apache-2.0 (Β© the OpenMOSS team and contributors); this quantization inherits the license verbatim.

Attribution

The model, the architecture and the training belong to OpenMOSS. OpenBloom Labs produced the GGUF conversion and publishes it for the OpenBloom installer's local TTS lanes (one-shot synthesis + the realtime duplex voice loop). Not affiliated with or endorsed by the OpenMOSS team.

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