Instructions to use dcostenco/prism-coder-27b with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use dcostenco/prism-coder-27b with llama-cpp-python:

# !pip install llama-cpp-python

from llama_cpp import Llama

llm = Llama.from_pretrained(
	repo_id="dcostenco/prism-coder-27b",
	filename="prism-coder-27b-v3-Q4_K_M.gguf",
)

llm.create_chat_completion(
	messages = "No input example has been defined for this model task."
)

Notebooks
Google Colab
Kaggle
Local Apps Settings

llama.cpp

How to use dcostenco/prism-coder-27b with llama.cpp:

Install (macOS, Linux)

curl -LsSf https://llama.app/install.sh | sh
# Start a local OpenAI-compatible server with a web UI:
llama serve -hf dcostenco/prism-coder-27b:Q4_K_M
# Run inference directly in the terminal:
llama cli -hf dcostenco/prism-coder-27b:Q4_K_M

Install from WinGet (Windows)

winget install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama serve -hf dcostenco/prism-coder-27b:Q4_K_M
# Run inference directly in the terminal:
llama cli -hf dcostenco/prism-coder-27b: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-27b:Q4_K_M
# Run inference directly in the terminal:
./llama-cli -hf dcostenco/prism-coder-27b: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-27b:Q4_K_M
# Run inference directly in the terminal:
./build/bin/llama-cli -hf dcostenco/prism-coder-27b:Q4_K_M

Use Docker

docker model run hf.co/dcostenco/prism-coder-27b:Q4_K_M

LM Studio
Jan
Ollama
How to use dcostenco/prism-coder-27b with Ollama:
```
ollama run hf.co/dcostenco/prism-coder-27b:Q4_K_M
```

Unsloth Studio

How to use dcostenco/prism-coder-27b 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-27b 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-27b 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-27b to start chatting

How to use dcostenco/prism-coder-27b with Pi:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama serve -hf dcostenco/prism-coder-27b: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-27b:Q4_K_M"
        }
      ]
    }
  }
}

Run Pi

# Start Pi in your project directory:
pi

Hermes Agent new

How to use dcostenco/prism-coder-27b with Hermes Agent:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama serve -hf dcostenco/prism-coder-27b: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-27b:Q4_K_M

Run Hermes

hermes

Atomic Chat new

OpenClaw new

How to use dcostenco/prism-coder-27b with OpenClaw:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama serve -hf dcostenco/prism-coder-27b:Q4_K_M

Configure OpenClaw

# Install OpenClaw:
npm install -g openclaw@latest
# Register the local server and set it as the default model:
openclaw onboard --non-interactive --mode local \
  --auth-choice custom-api-key \
  --custom-base-url http://127.0.0.1:8080/v1 \
  --custom-model-id "dcostenco/prism-coder-27b:Q4_K_M" \
  --custom-provider-id llama-cpp \
  --custom-compatibility openai \
  --custom-text-input \
  --accept-risk \
  --skip-health

Run OpenClaw

openclaw agent --local --agent main --message "Hello from Hugging Face"

Docker Model Runner
How to use dcostenco/prism-coder-27b with Docker Model Runner:
```
docker model run hf.co/dcostenco/prism-coder-27b:Q4_K_M
```

Lemonade

How to use dcostenco/prism-coder-27b with Lemonade:

Pull the model

# Download Lemonade from https://lemonade-server.ai/
lemonade pull dcostenco/prism-coder-27b:Q4_K_M

Run and chat with the model

lemonade run user.prism-coder-27b-Q4_K_M

List all available models

lemonade list

prism-coder-27b / README.md

dcostenco

Add model card for prism-coder-27b (100% BFCL)

6cc070f verified 24 days ago

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	---
	license: apache-2.0
	base_model: Qwen/Qwen3.5-27B
	tags:
	- prism-coder
	- qwen3.5
	- function-calling
	- mcp
	- tool-routing
	- gguf
	- qlora
	- DeltaNet
	language:
	- en
	- zh
	---

	# Prism Coder 27B — Qwen3.5-27B Function-Calling Model

	Fine-tuned from [Qwen3.5-27B](https://huggingface.co/Qwen/Qwen3.5-27B) for MCP tool-routing.
	Part of the [Prism Coder](https://github.com/dcostenco/prism-coder) fleet.

	## Performance

	\| Metric \| Value \|
	\|--------\|-------\|
	\| BFCL Accuracy \| 100% × 3 seeds (345/345 test cases) \|
	\| Raw accuracy \| 100% (no L3 correction needed) \|
	\| Tokens/sec (Q4_K_M, M5 48GB) \| 28.5 \|
	\| GGUF Q4_K_M size \| 16 GB \|
	\| Architecture \| Hybrid DeltaNet (48/64 layers) + GQA (16/64) \|
	\| Long context \| O(n) via recurrent DeltaNet state \|

	## Training

	\| Parameter \| Value \|
	\|-----------\|-------\|
	\| Base model \| Qwen/Qwen3.5-27B \|
	\| Method \| QLoRA (4-bit NF4) \|
	\| LoRA rank \| 128, alpha=256 \|
	\| Target modules \| q_proj, k_proj, v_proj, o_proj, gate_proj, up_proj, down_proj \|
	\| Layers \| All 64 (including DeltaNet) \|
	\| Training data \| 24,798 examples (AAC 54%, tool-use 25%, safety 8%, abstention 8%) \|
	\| Hardware \| NVIDIA H100 PCIe 80GB \|
	\| Duration \| 12.5 hours \|
	\| Final loss \| 0.25 \|
	\| Token accuracy \| 93.2% \|
	\| Cost \| ~$29 \|

	## Fleet

	\| Tag \| Size \| BFCL \| Role \|
	\|-----\|------\|------\|------\|
	\| `prism-coder:2b` \| 2.3 GB \| 99.1% \| Mobile / iPhone \|
	\| `prism-coder:4b` \| 3.4 GB \| 100% \| Verifier \|
	\| `prism-coder:9b` \| 5.8 GB \| 100% \| Default router \|
	\| `prism-coder:27b` \| 16 GB \| 100% \| Quality tier \|

	## Usage

	```bash
	ollama pull dcostenco/prism-coder:27b
	ollama run dcostenco/prism-coder:27b "Load context for the analytics project"
	```

	Or via the Prism MCP server:
	```json
	{"mcpServers": {"prism": {"command": "npx", "args": ["-y", "prism-mcp-server"]}}}
	```

	## License

	Apache 2.0 (same as base model)