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---
license: apache-2.0
library_name: transformers
tags:
  - qwen3
  - text-generation
  - thinking-sft
  - code
---

# Comm-C Qwen3-8B Thinking SFT

This checkpoint is a short 20-step SFT run based on Qwen3-8B.

Training target format:

```text
<think>
reasoning_content
</think>
final response
```

Training summary:

- Base model: Qwen3-8B
- Data: synthetic Comm-C distillation data from GLM-5.2
- Train rows: 4243
- Validation rows: 99
- Max length: 32768
- Global batch size: 64
- Learning rate: 2e-5
- Training steps: 20
- Output format: Hugging Face safetensors shards

This checkpoint is intended as a quick sanity-check artifact for thinking-format
SFT, not a final converged model.