Instructions to use mradermacher/Apertus-8B-2509-i1-GGUF with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use mradermacher/Apertus-8B-2509-i1-GGUF with Transformers:

# Load model directly
from transformers import AutoModel
model = AutoModel.from_pretrained("mradermacher/Apertus-8B-2509-i1-GGUF", device_map="auto")

Notebooks
Google Colab
Kaggle
Local Apps Settings

llama.cpp

How to use mradermacher/Apertus-8B-2509-i1-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 mradermacher/Apertus-8B-2509-i1-GGUF:Q4_K_M
# Run inference directly in the terminal:
llama cli -hf mradermacher/Apertus-8B-2509-i1-GGUF:Q4_K_M

Install from WinGet (Windows)

winget install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama serve -hf mradermacher/Apertus-8B-2509-i1-GGUF:Q4_K_M
# Run inference directly in the terminal:
llama cli -hf mradermacher/Apertus-8B-2509-i1-GGUF: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 mradermacher/Apertus-8B-2509-i1-GGUF:Q4_K_M
# Run inference directly in the terminal:
./llama-cli -hf mradermacher/Apertus-8B-2509-i1-GGUF: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 mradermacher/Apertus-8B-2509-i1-GGUF:Q4_K_M
# Run inference directly in the terminal:
./build/bin/llama-cli -hf mradermacher/Apertus-8B-2509-i1-GGUF:Q4_K_M

Use Docker

docker model run hf.co/mradermacher/Apertus-8B-2509-i1-GGUF:Q4_K_M

LM Studio
Jan
Ollama
How to use mradermacher/Apertus-8B-2509-i1-GGUF with Ollama:
```
ollama run hf.co/mradermacher/Apertus-8B-2509-i1-GGUF:Q4_K_M
```

Unsloth Studio

How to use mradermacher/Apertus-8B-2509-i1-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 mradermacher/Apertus-8B-2509-i1-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 mradermacher/Apertus-8B-2509-i1-GGUF to start chatting

Using HuggingFace Spaces for Unsloth

# No setup required
# Open https://huggingface.co/spaces/unsloth/studio in your browser
# Search for mradermacher/Apertus-8B-2509-i1-GGUF to start chatting

Docker Model Runner
How to use mradermacher/Apertus-8B-2509-i1-GGUF with Docker Model Runner:
```
docker model run hf.co/mradermacher/Apertus-8B-2509-i1-GGUF:Q4_K_M
```

Lemonade

How to use mradermacher/Apertus-8B-2509-i1-GGUF with Lemonade:

Pull the model

# Download Lemonade from https://lemonade-server.ai/
lemonade pull mradermacher/Apertus-8B-2509-i1-GGUF:Q4_K_M

Run and chat with the model

lemonade run user.Apertus-8B-2509-i1-GGUF-Q4_K_M

List all available models

lemonade list

Atomic Chat

mradermacher commited on Oct 4, 2025

Commit

a977a6b

verified ·

1 Parent(s): 19f6226

auto-patch README.md

Browse files

Files changed (1) hide show

README.md +4 -0

README.md CHANGED Viewed

@@ -64,9 +64,11 @@ more details, including on how to concatenate multi-part files.
 | Link | Type | Size/GB | Notes |
 |:-----|:-----|--------:|:------|
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.imatrix.gguf) | imatrix | 0.1 | imatrix file (for creating your own qwuants) |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ1_M.gguf) | i1-IQ1_M | 2.3 | mostly desperate |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ2_XXS.gguf) | i1-IQ2_XXS | 2.5 |  |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ2_XS.gguf) | i1-IQ2_XS | 2.7 |  |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ2_M.gguf) | i1-IQ2_M | 3.1 |  |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q2_K_S.gguf) | i1-Q2_K_S | 3.1 | very low quality |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ3_XXS.gguf) | i1-IQ3_XXS | 3.4 | lower quality |
@@ -77,9 +79,11 @@ more details, including on how to concatenate multi-part files.
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ4_XS.gguf) | i1-IQ4_XS | 4.6 |  |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q3_K_L.gguf) | i1-Q3_K_L | 4.7 | IQ3_M probably better |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ4_NL.gguf) | i1-IQ4_NL | 4.8 | prefer IQ4_XS |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q4_K_S.gguf) | i1-Q4_K_S | 4.8 | optimal size/speed/quality |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q4_K_M.gguf) | i1-Q4_K_M | 5.2 | fast, recommended |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q5_K_S.gguf) | i1-Q5_K_S | 5.7 |  |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q6_K.gguf) | i1-Q6_K | 6.7 | practically like static Q6_K |
 Here is a handy graph by ikawrakow comparing some lower-quality quant

 | Link | Type | Size/GB | Notes |
 |:-----|:-----|--------:|:------|
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.imatrix.gguf) | imatrix | 0.1 | imatrix file (for creating your own qwuants) |
+| [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ1_S.gguf) | i1-IQ1_S | 2.1 | for the desperate |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ1_M.gguf) | i1-IQ1_M | 2.3 | mostly desperate |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ2_XXS.gguf) | i1-IQ2_XXS | 2.5 |  |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ2_XS.gguf) | i1-IQ2_XS | 2.7 |  |
+| [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ2_S.gguf) | i1-IQ2_S | 2.9 |  |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ2_M.gguf) | i1-IQ2_M | 3.1 |  |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q2_K_S.gguf) | i1-Q2_K_S | 3.1 | very low quality |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ3_XXS.gguf) | i1-IQ3_XXS | 3.4 | lower quality |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ4_XS.gguf) | i1-IQ4_XS | 4.6 |  |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q3_K_L.gguf) | i1-Q3_K_L | 4.7 | IQ3_M probably better |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-IQ4_NL.gguf) | i1-IQ4_NL | 4.8 | prefer IQ4_XS |
+| [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q4_0.gguf) | i1-Q4_0 | 4.8 | fast, low quality |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q4_K_S.gguf) | i1-Q4_K_S | 4.8 | optimal size/speed/quality |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q4_K_M.gguf) | i1-Q4_K_M | 5.2 | fast, recommended |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q5_K_S.gguf) | i1-Q5_K_S | 5.7 |  |
+| [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q5_K_M.gguf) | i1-Q5_K_M | 5.9 |  |
 | [GGUF](https://huggingface.co/mradermacher/Apertus-8B-2509-i1-GGUF/resolve/main/Apertus-8B-2509.i1-Q6_K.gguf) | i1-Q6_K | 6.7 | practically like static Q6_K |
 Here is a handy graph by ikawrakow comparing some lower-quality quant