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base_model: Qwen/Qwen3-4B-Instruct-2507
library_name: peft
tags:
- lora
- qwen3
- grpo
- anonymous-submission
---
# Anonymous Chainer GRPO Checkpoint 1
This repository contains a LoRA adapter checkpoint for the Chainer policy after the first GRPO stage checkpoint used in the paper workflow.
## Base model
- `Qwen/Qwen3-4B-Instruct-2507`
## Artifact type
- PEFT LoRA adapter
- Inference-only checkpoint export
## Notes
- This repository is provided as anonymous supplementary material for peer review.
- The checkpoint is released for verification and follow-up research use.
- The repository intentionally omits author-identifying metadata.
## Loading example
```python
from transformers import AutoModelForCausalLM, AutoTokenizer
from peft import PeftModel
base_model_id = "Qwen/Qwen3-4B-Instruct-2507"
adapter_repo_id = "Anonymous5345345/anonymous-chainer-grpo-epoch1"
tokenizer = AutoTokenizer.from_pretrained(base_model_id)
base_model = AutoModelForCausalLM.from_pretrained(base_model_id)
model = PeftModel.from_pretrained(base_model, adapter_repo_id)
```
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