How to use from
Pi
Start the llama.cpp server
# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama serve -hf FreedomAISVR/Gemma-4-E4B-it-Ultra-Uncensored-Heretic-NVFP4-GGUF:NVFP4
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": "FreedomAISVR/Gemma-4-E4B-it-Ultra-Uncensored-Heretic-NVFP4-GGUF:NVFP4"
        }
      ]
    }
  }
}
Run Pi
# Start Pi in your project directory:
pi
Quick Links

Gemma 4 E4B It Ultra Uncensored Heretic - NVFP4 GGUF

NVFP4 quantization of llmfan46/gemma-4-E4B-it-ultra-uncensored-heretic, an abliterated Gemma 4 E4B model with vision support.

About the Model

  • Gemma 4 E4B — abliterated/uncensored variant for unrestricted use
  • Vision support via separate mmproj vision projector
  • Architecture: Gemma 4 with MoE (4B active parameters)

Quantization

Quantized from the BF16 safetensors using llama.cpp (build 537).

NVFP4 (NVIDIA FP4) uses 4-bit floating point quantization optimized for NVIDIA Blackwell GPUs.

Files

File Size Description
gemma-4-E4B-it-ultra-uncensored-heretic-nvfp4.gguf ~4.8 GB NVFP4 quantized model
mmproj-gemma-4-E4B-it-ultra-uncensored-heretic-f16.gguf ~0.97 GB Vision projector (BF16)

Usage

llama-server \
  -m gemma-4-E4B-it-ultra-uncensored-heretic-nvfp4.gguf \
  --mmproj mmproj-gemma-4-E4B-it-ultra-uncensored-heretic-f16.gguf \
  -ngl 99 \
  --host 0.0.0.0 \
  --port 8080

License

Apache 2.0

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GGUF
Model size
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Architecture
gemma4
Hardware compatibility
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4-bit

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