qwen3-4b-structured-output-lora_19
This repository provides a LoRA adapter obstained by
continued fine-tuning of an existing structured-output LoRA
originally trained on unsloth/Qwen3-4B-Instruct-2507.
This adapter is not trained from scratch.
It is a continuation of:
mandalgo/qwen3-4b-structured-output-lora_9
This repository contains LoRA adapter weights only.
The base model must be loaded separately.
Training Objective
This adapter is trained to improve structured output accuracy
(JSON / YAML / XML / TOML / CSV).
Loss is applied only to the final assistant output,
while intermediate reasoning (Chain-of-Thought) is masked.
Training Configuration
- Base model: unsloth/Qwen3-4B-Instruct-2507
- Parent adapter: mandalgo/qwen3-4b-structured-output-lora_9
- Method: QLoRA (4-bit)
- Max sequence length: 512
- Epochs: 1 (continued fine-tuning)
- Learning rate: 5e-07
- LoRA: r=64, alpha=128
Usage
1from transformers import AutoModelForCausalLM, AutoTokenizer
2from peft import PeftModel
3import torch
4
5base = "unsloth/Qwen3-4B-Instruct-2507"
6adapter = "your_id/your-repo"
7
8tokenizer = AutoTokenizer.from_pretrained(base)
9model = AutoModelForCausalLM.from_pretrained(
10 base,
11 torch_dtype=torch.float16,
12 device_map="auto",
13)
14model = PeftModel.from_pretrained(model, adapter)
Sources & Terms (IMPORTANT)
Training data:
- u-10bei/structured_data_with_cot_dataset_512_v5 (MIT License)
- daichira/structured-hard-sft-4k (CC-BY-4.0, synthetic)
The daichira dataset is a purely synthetic dataset
licensed under Creative Commons Attribution 4.0 (CC-BY-4.0).
When using or redistributing this adapter,
users must provide appropriate attribution to the dataset author
in accordance with the CC-BY-4.0 license.
This adapter is a continued fine-tuning of a prior LoRA adapter
and must also comply with:
- The base model license (Apache-2.0)
- The original adapter license
- All dataset licenses listed above
Attribution
Dataset "structured-hard-sft-4k" by daichira,
licensed under CC-BY-4.0.
