Instructions to use Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Notebooks
Google Colab
Kaggle
Local Apps Settings

How to use Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF 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 Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF
# Run inference directly in the terminal:
llama cli -hf Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF

Install from WinGet (Windows)

winget install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama serve -hf Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF
# Run inference directly in the terminal:
llama cli -hf Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF

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 Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF
# Run inference directly in the terminal:
./llama-cli -hf Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF

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 Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF
# Run inference directly in the terminal:
./build/bin/llama-cli -hf Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF

Use Docker

docker model run hf.co/Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF

LM Studio
Jan

vLLM

How to use Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/chat/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF",
		"messages": [
			{
				"role": "user",
				"content": "What is the capital of France?"
			}
		]
	}'

Use Docker

docker model run hf.co/Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF

Ollama
How to use Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF with Ollama:
```
ollama run hf.co/Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF
```

Unsloth Studio

How to use Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF 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 Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF 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 Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF to start chatting

Using HuggingFace Spaces for Unsloth

# No setup required
# Open https://huggingface.co/spaces/unsloth/studio in your browser
# Search for Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF to start chatting

How to use Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF with Pi:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama serve -hf Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF

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": "Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF"
        }
      ]
    }
  }
}

Run Pi

# Start Pi in your project directory:
pi

Docker Model Runner
How to use Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF with Docker Model Runner:
```
docker model run hf.co/Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF
```

Lemonade

How to use Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF with Lemonade:

Pull the model

# Download Lemonade from https://lemonade-server.ai/
lemonade pull Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF

Run and chat with the model

lemonade run user.Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF-{{QUANT_TAG}}

List all available models

lemonade list

Hermes Agent

How to use Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF with Hermes Agent:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama serve -hf Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF

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 Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF

Run Hermes

hermes

Atomic Chat

OpenClaw

How to use Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF with OpenClaw:

Start the llama.cpp server

# Install llama.cpp:
brew install llama.cpp
# Start a local OpenAI-compatible server:
llama serve -hf Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF

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 "Koshkasa/Vortex5_Shadow-Siren-26B-A4B-APEX-GGUF" \
  --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"

Koshkasa commited on 13 days ago

Commit

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Update README.md

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@@ -19,7 +19,7 @@ base_model_relation: quantized
 As denoted [by its creators](https://github.com/localai-org/apex-quant), APEX is "a novel MoE-aware mixed-precision quantization technique for llama.cpp".  I suggest reading their information on the how and why of the method.
-These two GGUFs are APEX quantizations of [Vortex5/Shadow-Siren-26B-A4B](https://huggingface.co/Vortex5/Shadow-Siren-26B-A4B), using [EmanuelOverride's custom APEX recipe, HarmonicMinus](https://huggingface.co/EmanuelOverride/gemma-4-26B-A4B-it-heretic-APEX-GGUF/blob/main/configs/HarmonicMinus.txt), and a minor customization of that edit to cap shared ffn at Q6_K and replace Q4_K and Q4_0 (which was a fallback for ffn_down_exps from Q3_K) sparse expert quants with MXFP4. Both recipes use **mradermacher**'s imatrix found [here](https://huggingface.co/mradermacher/Shadow-Siren-26B-A4B-i1-GGUF)
 To quote EmanuelOverride regarding the philosophy behind HarmonicMinus:

 As denoted [by its creators](https://github.com/localai-org/apex-quant), APEX is "a novel MoE-aware mixed-precision quantization technique for llama.cpp".  I suggest reading their information on the how and why of the method.
+These two GGUFs are APEX quantizations of [Vortex5/Shadow-Siren-26B-A4B](https://huggingface.co/Vortex5/Shadow-Siren-26B-A4B), using EmanuelOverride's custom APEX recipe, [HarmonicMinus](https://huggingface.co/EmanuelOverride/gemma-4-26B-A4B-it-heretic-APEX-GGUF/blob/main/configs/HarmonicMinus.txt), and a minor customization of that edit to cap shared ffn at Q6_K and replace Q4_K and Q4_0 (which was a fallback for ffn_down_exps from Q3_K) sparse expert quants with MXFP4. Both recipes use **mradermacher**'s imatrix found [here](https://huggingface.co/mradermacher/Shadow-Siren-26B-A4B-i1-GGUF)
 To quote EmanuelOverride regarding the philosophy behind HarmonicMinus: