How to use from
Pi
Start the llama.cpp server
# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama-server -hf lex-au/Orpheus-3b-Kaya-Q6_K.gguf:Q6_K
Configure the model in Pi
# Install Pi:
npm install -g @mariozechner/pi-coding-agent
# Add to ~/.pi/agent/models.json:
{
  "providers": {
    "llama-cpp": {
      "baseUrl": "http://localhost:8080/v1",
      "api": "openai-completions",
      "apiKey": "none",
      "models": [
        {
          "id": "lex-au/Orpheus-3b-Kaya-Q6_K.gguf:Q6_K"
        }
      ]
    }
  }
}
Run Pi
# Start Pi in your project directory:
pi
Quick Links

Orpheus-3b-Kaya-Q6_K

This is a fine-tuned version of the pretrained model canopylabs/orpheus-3b-0.1-pretrained, trained on a custom voice dataset and quantised to GGUF Q6_K format for fast, efficient inference.


πŸ”§ Model Details

  • Model Type: Text-to-Speech (TTS)
  • Architecture: Token-to-audio language model
  • Parameters: ~3 billion
  • Quantisation: 8-bit GGUF (Q6_K)
  • Sampling Rate: 24kHz mono
  • Training Epochs: 1
  • Training Dataset: lex-au/Orpheus-3b-Kaya
  • Languages: English

πŸš€ Quick Usage

This model is designed for use with Orpheus-FastAPI, an OpenAI-compatible inference server for text-to-speech generation.

Compatible Inference Servers

You can load this model into:

πŸ“œ License

Apache License 2.0 β€” free for research and commercial use.


πŸ™Œ Credits

  • Original model by: Canopy Labs
  • Fine-tuned, quantised, and API-wrapped by: Lex-au via Unsloth and Huggingface's TRL library.


πŸ“š Citation

@misc{orpheus-tts-2025,
  author = {Canopy Labs},
  title = {Orpheus-3b-0.1-pt: Pretrained Text-to-Speech Model},
  year = {2025},
  publisher = {HuggingFace},
  howpublished = {\url{https://huggingface.co/canopylabs/orpheus-3b-0.1-pt}}
}

@misc{orpheus-kaya-2025,
  author = {Lex-au},
  title = {Orpheus-3b-Kaya-Q6_K: Fine-Tuned TTS Model (Quantised)},
  note = {Fine-tuned from canopylabs/orpheus-3b-0.1-pt},
  year = {2025},
  publisher = {HuggingFace},
  howpublished = {\url{https://huggingface.co/lex-au/Orpheus-3b-Kaya-Q6_K}}
}
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GGUF
Model size
3B params
Architecture
llama
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Dataset used to train lex-au/Orpheus-3b-Kaya-Q6_K.gguf

Collection including lex-au/Orpheus-3b-Kaya-Q6_K.gguf