Instructions to use dcostenco/prism-coder-4b with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use dcostenco/prism-coder-4b with llama-cpp-python:

# !pip install llama-cpp-python

from llama_cpp import Llama

llm = Llama.from_pretrained(
	repo_id="dcostenco/prism-coder-4b",
	filename="prism-coder-4b-v43-Q4_K_M.gguf",
)

llm.create_chat_completion(
	messages = [
		{
			"role": "user",
			"content": "What is the capital of France?"
		}
	]
)

Notebooks
Google Colab
Kaggle
Local Apps

llama.cpp

How to use dcostenco/prism-coder-4b with llama.cpp:

Install from brew

brew install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama-server -hf dcostenco/prism-coder-4b:Q4_K_M
# Run inference directly in the terminal:
llama-cli -hf dcostenco/prism-coder-4b:Q4_K_M

Install from WinGet (Windows)

winget install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama-server -hf dcostenco/prism-coder-4b:Q4_K_M
# Run inference directly in the terminal:
llama-cli -hf dcostenco/prism-coder-4b:Q4_K_M

Use pre-built binary

# Download pre-built binary from:
# https://github.com/ggerganov/llama.cpp/releases
# Start a local OpenAI-compatible server with a web UI:
./llama-server -hf dcostenco/prism-coder-4b:Q4_K_M
# Run inference directly in the terminal:
./llama-cli -hf dcostenco/prism-coder-4b:Q4_K_M

Build from source code

git clone https://github.com/ggerganov/llama.cpp.git
cd llama.cpp
cmake -B build
cmake --build build -j --target llama-server llama-cli
# Start a local OpenAI-compatible server with a web UI:
./build/bin/llama-server -hf dcostenco/prism-coder-4b:Q4_K_M
# Run inference directly in the terminal:
./build/bin/llama-cli -hf dcostenco/prism-coder-4b:Q4_K_M

Use Docker

docker model run hf.co/dcostenco/prism-coder-4b:Q4_K_M

LM Studio
Jan

vLLM

How to use dcostenco/prism-coder-4b with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "dcostenco/prism-coder-4b"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "dcostenco/prism-coder-4b",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker

docker model run hf.co/dcostenco/prism-coder-4b:Q4_K_M

Ollama
How to use dcostenco/prism-coder-4b with Ollama:
```
ollama run hf.co/dcostenco/prism-coder-4b:Q4_K_M
```

Unsloth Studio

How to use dcostenco/prism-coder-4b with Unsloth Studio:

Install Unsloth Studio (macOS, Linux, WSL)

curl -fsSL https://unsloth.ai/install.sh | sh
# Run unsloth studio
unsloth studio -H 0.0.0.0 -p 8888
# Then open http://localhost:8888 in your browser
# Search for dcostenco/prism-coder-4b to start chatting

Install Unsloth Studio (Windows)

irm https://unsloth.ai/install.ps1 | iex
# Run unsloth studio
unsloth studio -H 0.0.0.0 -p 8888
# Then open http://localhost:8888 in your browser
# Search for dcostenco/prism-coder-4b to start chatting

Using HuggingFace Spaces for Unsloth

# No setup required
# Open https://huggingface.co/spaces/unsloth/studio in your browser
# Search for dcostenco/prism-coder-4b to start chatting

How to use dcostenco/prism-coder-4b with Pi:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama-server -hf dcostenco/prism-coder-4b:Q4_K_M

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": "dcostenco/prism-coder-4b:Q4_K_M"
        }
      ]
    }
  }
}

Run Pi

# Start Pi in your project directory:
pi

Hermes Agent new

How to use dcostenco/prism-coder-4b with Hermes Agent:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama-server -hf dcostenco/prism-coder-4b:Q4_K_M

Configure Hermes

# Install Hermes:
curl -fsSL https://hermes-agent.nousresearch.com/install.sh | bash
hermes setup
# Point Hermes at the local server:
hermes config set model.provider custom
hermes config set model.base_url http://127.0.0.1:8080/v1
hermes config set model.default dcostenco/prism-coder-4b:Q4_K_M

Run Hermes

hermes

Docker Model Runner
How to use dcostenco/prism-coder-4b with Docker Model Runner:
```
docker model run hf.co/dcostenco/prism-coder-4b:Q4_K_M
```

Lemonade

How to use dcostenco/prism-coder-4b with Lemonade:

Pull the model

# Download Lemonade from https://lemonade-server.ai/
lemonade pull dcostenco/prism-coder-4b:Q4_K_M

Run and chat with the model

lemonade run user.prism-coder-4b-Q4_K_M

List all available models

lemonade list

prism-coder-4b / README.md

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metadata

license: apache-2.0
language:
  - en
tags:
  - tool-calling
  - function-calling
  - prism
  - synalux
  - Q4_K_M
base_model: Qwen/Qwen3-4B
pipeline_tag: text-generation

Prism Coder 4B — Tool-Routing Model

Lightweight tool-routing classifier. Routes user requests to the correct Prism Memory tool. NOT a code generation or general-purpose model.

Performance

Metric	Score
eval_300 strict	300/300 (100%)
5-seed validation	300/300 x 5

Training

Trained on routing examples only (prompt → tool name). Not trained on source code, clinical data, or general instructions.

ollama pull dcostenco/prism-coder:4b

Apache 2.0 — Synalux