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license: apple-amlr
base_model:
- Qwen/Qwen3-30B-A3B-Instruct-2507
tags:
- self-distillation
- code-generation
- ssd
library_name: transformers
---
# SSD-Qwen3-30B-A3B-Instruct
This model was produced using **Simple Self-Distillation (SSD)**, a method that improves code generation by fine-tuning a language model on its own sampled outputs using standard supervised learning.
- **Base model:** [Qwen/Qwen3-30B-A3B-Instruct-2507](https://huggingface.co/Qwen/Qwen3-30B-A3B-Instruct-2507)
- **Variant:** instruct
- **Self-distillation sampling:** temperature=1.6, top_p=0.8, top_k=20
- **Evaluation sampling:** temperature=0.9, top_p=0.8, top_k=20
## Method
SSD samples solutions from the base model using non-unit temperature and top-k/top-p truncation, then fine-tunes on those samples via standard supervised learning. Despite its simplicity, SSD yields large gains on competitive programming benchmarks, with improvements concentrating on harder problems. The mechanism traces to resolving a *precision–exploration conflict*: SSD reshapes token distributions in a context-dependent way so that a single global decoding configuration becomes far more effective at evaluation time.
## Results
LiveCodeBench (%)
| Model | LCBv6 pass@1 | LCBv6 pass@5 | LCBv5 pass@1 | LCBv5 pass@5 |
|---|---|---|---|---|
| Qwen3-30B-A3B-Instruct-2507 (base) | 42.4 | 53.5 | 45.8 | 58.7 |
| **+ SSD (this model)** | **55.3** (+12.9) | **71.6** (+18.1) | **54.3** (+8.5) | **70.7** (+12.0) |
## Paper
**Embarrassingly Simple Self-Distillation Improves Code Generation**
Ruixiang Zhang, Richard He Bai, Huangjie Zheng, Navdeep Jaitly, Ronan Collobert, Yizhe Zhang
## Usage
```python
from transformers import AutoModelForCausalLM, AutoTokenizer
model = AutoModelForCausalLM.from_pretrained("apple/SSD-Qwen3-30B-A3B-Instruct")
tokenizer = AutoTokenizer.from_pretrained("apple/SSD-Qwen3-30B-A3B-Instruct")
```
## Intended Use
Research on code generation and self-distillation methods.
## License
This model is released under the [Apple Machine Learning Research Model License](https://huggingface.co/apple/SSD-Qwen3-30B-A3B-Instruct/blob/main/LICENSE).
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