AnalysisOpinion / analysisLarge Language Models · Training & Scaling · Efficiency & Inference1 source · Oct 14, 2026

Train LoRA directly on Quantized GGUFs, no PyTorch, no Parent(FP16) needed, just your GGUF and the data

train against the quantized GGUF file itself

Proof1 community thread

Key points

  • I've seen this one floating around quite a bit now and since this is something that can be done without the parent and or other dependencies i thought i'd share something.
  • use the exact same GGUF for inference afterwards, without converting the model
  • (QLoRA does train through a 4-bit base, but in PyTorch and on its own NF4 format, not on the GGUF you serve.)
  • With runner the 16-bit nor the PyTorch package is needed, this is done through "freezing" the weights of the current X-bit GGUF, only a "small" LoRA adapter is trained on top.

Sources (1)

Extractive summary: sentences quoted from the sources.

Before this

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  2. Oct 13, 2026Run fast, private agents on-device with LFM2.5-24B-A2B
  3. Oct 13, 2026unslothai/unsloth v0.1.907-beta: Large Performance Gains + More Browser Use
  4. Oct 13, 2026Gemini 4 Argon: Built to solve your hardest problems
  5. Oct 13, 2026I built a pytorch library of pretrained models for 3D point clouds following timm standards [P]
  6. Oct 13, 2026SonicBoom: 52 tok/s decode on a laptop RTX 3050 (llama.cpp: 45) with the same quantized kernels, the difference is a graph compiler. No Python.

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