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---
datasets:
- agentica-org/DeepScaleR-Preview-Dataset
language:
- en
metrics:
- accuracy
base_model:
- deepseek-ai/DeepSeek-R1-Distill-Qwen-7B
---
# Model Overview
<div align="center">
<span style="font-family: default; font-size: 1.5em;">DLER-R1-7B</span>
<div>
🚀 The leading efficient reasoning model for cutting-edge research and development 🌟
</div>
</div>
[](https://www.arxiv.org/abs/2510.15110)
[](https://github.com/NVlabs/DLER)
[](https://huggingface.co/collections/nvidia/reasoning-efficiency-research)
[](https://nvlabs.github.io/DLER/)
### Description:
DLER-Qwen-R1-7B is an ultra-efficient 7B open-weight reasoning model designed for challenging tasks such as mathematics, programming, and scientific problem-solving. It is trained with the DLER algorithm on agentica-org/DeepScaleR-Preview-Dataset. Compared to DeepSeek’s 7B model, DLER-Qwen-R1-7B achieves substantial efficiency gains, reducing the average response length by nearly 80% across diverse mathematical benchmarks with better accuracy.
This model is for research and development only.
### Evaluation Results:
| Model | MATH | Length | AIME | Length | AMC | Length | Minerva |Length | Olympiad |Length | Total Avg Length |
|------------------|----------|------------|--------------------|------------------|--------------------|------------------|--------------------|------------------|--------------------|------------------|-----------------|
| Deepseek-R1-7B | 93.60 | 3999 | 55.40 | 13241 | 82.90 | 7461 | 49.79 | 5199 | 58.21 | 8837 | 7747 |
| **DLER-R1-7B** | **94.21 (+0.61%)** | **1634 (-60%)** | **55.62 (+0.22%)** | **3230 (-76%)** | **84.41 (+1.51%)** | **2512 (-0.67%)** | **53.88 (+4.09%)** | **2058 (-61%)** | **60.48 (+2.27%)** | **2592 (-71%)** | **2405 (-69%)** |
### Environment Setup
```
pip install transformers==4.51.3
```
# Inference:
```python
from transformers import AutoTokenizer, AutoModelForCausalLM
import torch
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
model = AutoModelForCausalLM.from_pretrained('nvidia/DLER-R1-7B-Research').to(device)
tokenizer = AutoTokenizer.from_pretrained('nvidia/DLER-R1-7B-Research')
messages = [
{"role": "user", "content": "Convert the point $(0,3)$ in rectangular coordinates to polar coordinates. Enter your answer in the form $(r,\\theta),$ where $r > 0$ and $0 \\le \\theta < 2 \\pi.$"+" Let's think step by step and output the final answer within \\boxed{}."},
]
tokenized_chat = tokenizer.apply_chat_template(
messages,
tokenize=True,
add_generation_prompt=True,
return_tensors="pt"
).to(model.device)
outputs = model.generate(
tokenized_chat,
max_new_tokens=10000,
eos_token_id=tokenizer.eos_token_id
)
print(tokenizer.decode(outputs[0], skip_special_tokens=True))
```
### License/Terms of Use
NSCLv1
## Citation
If you find our model helpful, please cite the following [paper]():
```
@article{liu2025dler,
title={DLER: Doing Length pEnalty Right-Incentivizing More Intelligence per Token via Reinforcement Learning},
author={Liu, Shih-Yang and Dong, Xin and Lu, Ximing and Diao, Shizhe and Liu, Mingjie and Chen, Min-Hung and Yin, Hongxu and Wang, Yu-Chiang Frank and Cheng, Kwang-Ting and Choi, Yejin and others},
journal={arXiv preprint arXiv:2510.15110},
year={2025}
}
```
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