Instructions to use bingyang-lei/Qwen3-8B-Thinking-Draft-OPD with libraries, inference providers, notebooks, and local apps. Follow these links to get started.

Libraries

How to use bingyang-lei/Qwen3-8B-Thinking-Draft-OPD with Transformers:

# Use a pipeline as a high-level helper
from transformers import pipeline

pipe = pipeline("text-generation", model="bingyang-lei/Qwen3-8B-Thinking-Draft-OPD", trust_remote_code=True)

# Load model directly
from transformers import AutoTokenizer, AutoModel

tokenizer = AutoTokenizer.from_pretrained("bingyang-lei/Qwen3-8B-Thinking-Draft-OPD", trust_remote_code=True)
model = AutoModel.from_pretrained("bingyang-lei/Qwen3-8B-Thinking-Draft-OPD", trust_remote_code=True)

Notebooks
Google Colab
Kaggle
Local Apps Settings

vLLM

How to use bingyang-lei/Qwen3-8B-Thinking-Draft-OPD with vLLM:

Install from pip and serve model

# Install vLLM from pip:
pip install vllm
# Start the vLLM server:
vllm serve "bingyang-lei/Qwen3-8B-Thinking-Draft-OPD"
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:8000/v1/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "bingyang-lei/Qwen3-8B-Thinking-Draft-OPD",
		"prompt": "Once upon a time,",
		"max_tokens": 512,
		"temperature": 0.5
	}'

Use Docker

docker model run hf.co/bingyang-lei/Qwen3-8B-Thinking-Draft-OPD

SGLang

How to use bingyang-lei/Qwen3-8B-Thinking-Draft-OPD with SGLang:

Install from pip and serve model

# Install SGLang from pip:
pip install sglang
# Start the SGLang server:
python3 -m sglang.launch_server \
    --model-path "bingyang-lei/Qwen3-8B-Thinking-Draft-OPD" \
    --host 0.0.0.0 \
    --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "bingyang-lei/Qwen3-8B-Thinking-Draft-OPD",
		"prompt": "Once upon a time,",
		"max_tokens": 512,
		"temperature": 0.5
	}'

Use Docker images

docker run --gpus all \
    --shm-size 32g \
    -p 30000:30000 \
    -v ~/.cache/huggingface:/root/.cache/huggingface \
    --env "HF_TOKEN=<secret>" \
    --ipc=host \
    lmsysorg/sglang:latest \
    python3 -m sglang.launch_server \
        --model-path "bingyang-lei/Qwen3-8B-Thinking-Draft-OPD" \
        --host 0.0.0.0 \
        --port 30000
# Call the server using curl (OpenAI-compatible API):
curl -X POST "http://localhost:30000/v1/completions" \
	-H "Content-Type: application/json" \
	--data '{
		"model": "bingyang-lei/Qwen3-8B-Thinking-Draft-OPD",
		"prompt": "Once upon a time,",
		"max_tokens": 512,
		"temperature": 0.5
	}'

Docker Model Runner
How to use bingyang-lei/Qwen3-8B-Thinking-Draft-OPD with Docker Model Runner:
```
docker model run hf.co/bingyang-lei/Qwen3-8B-Thinking-Draft-OPD
```

Qwen3-8B-Thinking-Draft-OPD

This repository contains Qwen3-8B-Thinking-Draft-OPD, a draft model for speculative decoding.

Paper: Draft-OPD: On-Policy Distillation for Speculative Draft Models
Repository: https://github.com/bingyang-lei/Draft-OPD
Project Page: https://www.haodilei.top/draft-opd/

Model Details

Target Model: Qwen3-8B(enable_thinking=True)
Model type: Draft model for speculative decoding
Architecture: Same as the original DFlash draft model
Post-training method: Draft-OPD (On-Policy Distillation)

Performance and Training Method

Draft-OPD trains speculative draft models with on-policy target feedback. Instead of only learning from fixed target-generated trajectories, the drafter is supervised on draft-induced states exposed during speculative verification, including the positions where draft proposals are rejected. This allows the drafter to learn from target feedback on both accepted and rejected proposals, focusing training on the draft-induced errors that limit speculative acceptance.

Experiments show that Draft-OPD achieves over 5× lossless acceleration for thinking models across diverse tasks, improving over EAGLE-3 and DFlash by 23% and 13% respectively.

Citation

If you find our work useful, please consider citing our paper:

@misc{lei2026draftopdonpolicydistillationspeculative,
      title={Draft-OPD: On-Policy Distillation for Speculative Draft Models}, 
      author={Haodi Lei and Yafy Li and Haoran Zhang and Shunkai Zhang and Qianjia Cheng and Xiaoye Qu and Ganqu Cui and Bowen Zhou and Ning Ding and Yun Luo and Yu Cheng},
      year={2026},
      eprint={2605.29343},
      archivePrefix={arXiv},
      primaryClass={cs.CL},
      url={https://arxiv.org/abs/2605.29343}, 
}

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Safetensors

Model size

1B params

Tensor type

BF16

Collection including bingyang-lei/Qwen3-8B-Thinking-Draft-OPD

Draft-OPD

Collection

6 items • Updated 10 days ago • 2

Paper for bingyang-lei/Qwen3-8B-Thinking-Draft-OPD

Draft-OPD: On-Policy Distillation for Speculative Draft Models

Paper • 2605.29343 • Published 18 days ago • 34