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/OneJev1.5-4B-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/OneJev1.5-4B-GGUF:"
        }
      ]
    }
  }
}
Run Pi
# Start Pi in your project directory:
pi
Quick Links

OneJev1.5-4B-GGUF

OneJev1.5-4B is a multimodal System One decision model fully fine-tuned from Qwen/Qwen3.5-4B on approximately 320,000 questions drawn from real agent runs, multimedia data, and public decision datasets. Designed for efficient and precise decision-making, it accepts diverse inputs—including text, screenshots, photos, and videos—alongside typed questions, returning calibrated probabilities for every option in a single forward pass. The model is highly competitive among sub-8B parameter models, achieving a leading score of 54.89 on the public portion of the Decision Index 0.3 benchmark, where it excelled particularly in Language Understanding and Tools & Automation. Accessible via the qev Python library and built around TypeSafe's System One API, OneJev1.5-4B serves as a powerful foundation for developing advanced GUI agents and complex multimodal decision workflows.

Model Files

File Name Quant Type File Size File Link Description
OneJev1.5-4B.BF16.gguf BF16 9.7 GB Link Full BF16 weights. Highest quality, largest file size.
OneJev1.5-4B.Q3_K_L.gguf Q3_K_L 2.69 GB Link Lower quality but usable, good for low RAM availability.
OneJev1.5-4B.Q3_K_M.gguf Q3_K_M 2.54 GB Link Low quality.
OneJev1.5-4B.Q4_K_M.gguf Q4_K_M 3.07 GB Link Good quality, default size for most use cases, recommended.
OneJev1.5-4B.Q4_K_S.gguf Q4_K_S 2.92 GB Link Slightly lower quality with more space savings, recommended.
OneJev1.5-4B.Q5_K_M.gguf Q5_K_M 3.51 GB Link High quality, recommended.
OneJev1.5-4B.Q5_K_S.gguf Q5_K_S 3.43 GB Link High quality, recommended.
OneJev1.5-4B.Q6_K.gguf Q6_K 3.99 GB Link Very high quality, near perfect, recommended.
OneJev1.5-4B.Q8_0.gguf Q8_0 5.16 GB Link Extremely high quality, generally unneeded but max available quant.
OneJev1.5-4B.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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Model size
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qwen35
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