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 prithivMLmods/jpt-4b-GGUF:
Configure the model in Pi
# Install Pi:
npm install -g @earendil-works/pi-coding-agent
# Add to ~/.pi/agent/models.json:
{
  "providers": {
    "llama-cpp": {
      "baseUrl": "http://localhost:8080/v1",
      "api": "openai-completions",
      "apiKey": "none",
      "models": [
        {
          "id": "prithivMLmods/jpt-4b-GGUF:"
        }
      ]
    }
  }
}
Run Pi
# Start Pi in your project directory:
pi
Quick Links

jpt-4b-GGUF

JPT-4B is a fast, open multimodal decision model built by kirp and based on Qwen3.5-4B. It is designed for typed decision-making, accepting a given situation with structured questions and returning calibrated probabilities for each available option in a single forward pass. It supports choice, score, and noul question types, with support for text as well as screenshots, photos, and video frames through its unchanged vision tower. JPT-4B is implemented as a merged LoRA fine-tune and is designed for low-latency decision inference without generated explanations or reasoning tokens. JPT-4B on Hugging Face

Model Files

File Name Quant Type File Size File Link Description
jpt-4b.BF16.gguf BF16 8.42 GB Link Full BF16 weights. Highest quality, largest file size.
jpt-4b.Q3_K_L.gguf Q3_K_L 2.42 GB Link Lower quality but usable, good for low RAM availability.
jpt-4b.Q3_K_M.gguf Q3_K_M 2.26 GB Link Low quality.
jpt-4b.Q4_K_M.gguf Q4_K_M 2.71 GB Link Good quality, default size for most use cases, recommended.
jpt-4b.Q4_K_S.gguf Q4_K_S 2.56 GB Link Slightly lower quality with more space savings, recommended.
jpt-4b.Q5_K_M.gguf Q5_K_M 3.07 GB Link High quality, recommended.
jpt-4b.Q5_K_S.gguf Q5_K_S 2.99 GB Link High quality, recommended.
jpt-4b.mmproj-bf16.gguf mmproj-bf16 676 MB Link Multimodal projection file in BF16 format. Used for vision/language models.

llama.cpp

LLM inference in C/C++ — https://github.com/ggml-org/llama.cpp

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GGUF
Model size
4B params
Architecture
qwen35
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