Omarchy Nano 2B

Omarchy Nano 2B is an experimental, text-only fine-tune of Qwen3.5-2B-Base for questions about Omarchy. It focuses on Omarchy configuration and related command-line workflows. It is an independent community model, not an official Omarchy release.

Use it as a local reference assistant. Treat its output as unverified guidance and check commands against current Omarchy documentation before running them, especially before making system or security-sensitive changes.

Choose an artifact

Use case File Approximate size Notes
Recommended local text inference gguf-q4_k_m/omarchy-nano.Q4_K_M.gguf 1.31 GB Quantized GGUF for llama.cpp-compatible runners.
Optional multimodal runner support gguf-q4_k_m/omarchy-nano.F16-mmproj.gguf 668 MB Download only when your runner requires a projector for image input.
PEFT/QLoRA research adapter/ 43.7 MB adapter weights plus tokenizer files Requires the original Qwen base model; it is not standalone.

For a low-memory PC, download only the Q4_K_M GGUF. The fine-tuning data was text-only. The presence of a projector in the repository does not mean that this fine-tune learned image understanding.

Quick start with llama.cpp

wget -O omarchy-nano.Q4_K_M.gguf \
  https://huggingface.co/NewSonnet/omarchy-nano-2b/resolve/main/gguf-q4_k_m/omarchy-nano.Q4_K_M.gguf

llama-cli -m omarchy-nano.Q4_K_M.gguf -cnv

Use a recent llama.cpp build with GGUF and Qwen3.5 support. If your runner does not automatically select the embedded chat template, enable its Jinja or chat-template option according to that runner's documentation.

What was trained

The training corpus contains 296 examples from 51 non-empty Markdown documents in the Omarchy manual.

  • Training split: 259 examples
  • Evaluation split: 37 examples
  • Split method: document-level
  • Modality: text-only
  • Image references replaced with: [image omitted]
  • Omarchy source commit: d3d23fdd

The reproducibility repository contains the reproducibility record for this run. The raw training corpus is not bundled in this model repository.

Training configuration

  • Method: 4-bit QLoRA
  • LoRA rank: 16
  • Trainable parameters: 10,911,744 (0.49%)
  • Epochs: 2
  • Maximum sequence length: 512
  • Effective batch size: 8
  • Learning rate: 2e-4
  • Optimizer: 8-bit AdamW
  • Hardware: Google Colab Tesla T4

Final optimization metrics:

Metric Value
Training loss 1.6297
Held-out evaluation loss 1.6660

These are language-model optimization metrics, not task-accuracy or command-safety results. Because the held-out set comes from the same manual as the training data, it is not an independent measure of real-world Omarchy support quality.

Adapter use

The adapter/ directory contains a PEFT LoRA adapter plus the tokenizer and processor files saved with the run. Apply it to Qwen/Qwen3.5-2B-Base; it is not a complete model and cannot be loaded by itself.

The adapter directory includes a machine-readable training_summary.json and a dedicated adapter guide. Use a current Transformers and PEFT installation compatible with Qwen3.5.

Limitations and out-of-scope use

  • This is a small, narrowly focused model. Omarchy changes over time, so its coverage may become outdated.
  • It can produce incorrect commands or configuration details. Inspect every generated command before execution.
  • No independent benchmark of answer quality, command correctness, or safety was run for this release.
  • Do not give it unrestricted access to the host system or external tools.
  • Training used text only; the model does not interpret visual input.

Reproducibility

The companion repository provides a cleaned, credential-free Colab notebook and the files needed to reproduce preprocessing and training:

The notebook's default path is local to the Colab runtime: it does not require Google Drive permission, Hugging Face authentication, or publishing. Drive storage and Hub publishing are optional settings for users who need durable outputs or a private/public copy of their own run.

Licensing and attribution

The Qwen3.5-2B-Base model and the model artifacts derived from it are provided under the Apache License 2.0. The Omarchy source material used to create the training examples is released under the MIT License. Users must comply with both licenses and retain the relevant attribution. The license metadata above describes the Qwen-derived model artifact; it does not change the license of the Omarchy source material.

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