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ThinkEdit-deepseek-qwen-14b

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 library_name: transformers
 tags: []
 ---
+**Repository for:**
+**ThinkEdit-deepseek-qwen-14b**
+(We also release ThinkEdit versions for ThinkEdit-deepseek-qwen-1.5b and ThinkEdit-deepseek-llama3-8b.)
+**Authors**: Chung-En Sun, Ge Yan, Tsui-Wei Weng\
+**Paper**: [ThinkEdit: Interpretable Weight Editing to Mitigate Overly Short Thinking in Reasoning Models](https://arxiv.org/abs/2503.22048)
+---
+## Introduction
+Reasoning-augmented models sometimes fail by generating **overly short**, abstract chain-of-thought (CoT) reasoning, hurting their accuracy.
+**ThinkEdit** is a lightweight weight-editing method that:
+- Identifies \~2% of "short reasoning" attention heads
+- Edits only \~0.1% of total parameters
+- Removes the "short reasoning" direction from their output
+- Boosts performance, especially on cases with short reasoning traces
+---
+## Full Performance Results
+### 1. Overall Accuracy
+| Model                            | GSM8K                | MMLU Elementary Math | MATH-Level1          | MATH-Level5          | MATH-500             |
+| -------------------------------- | -------------------- | -------------------- | -------------------- | -------------------- | -------------------- |
+| deepseek-qwen-14b                | 90.80 ± 0.36         | 95.08 ± 0.65         | 96.32 ± 0.35         | 90.25 ± 0.72         | 91.48 ± 0.55         |
+| **ThinkEdit-deepseek-qwen-14b**  | **93.50** ± **0.31** | **96.53** ± **0.54** | **96.50** ± **0.46** | **91.15** ± **0.59** | **91.78** ± **0.58** |
+| deepseek-llama3-8b               | 82.26 ± 0.91         | 96.01 ± 0.62         | 93.46 ± 0.84         | 85.49 ± 0.83         | 87.26 ± 1.16         |
+| **ThinkEdit-deepseek-llama3-8b** | **88.97** ± **0.78** | **96.08** ± **0.86** | **94.12** ± **0.47** | **85.91** ± **0.48** | **87.60** ± **0.81** |
+| deepseek-qwen-1.5b               | 79.15 ± 1.08         | 68.52 ± 1.56         | 93.00 ± 0.33         | **75.48** ± **0.90** | 82.22 ± 1.29         |
+| **ThinkEdit-deepseek-qwen-1.5b** | **83.34** ± **0.79** | **86.24** ± **1.12** | **93.89** ± **0.76** | 74.94 ± 0.85         | **82.74** ± **0.77** |
+---
+### 2. Accuracy on Short Reasoning Cases (Top 5% / 10% / 20%)
+| Model                            | GSM8K                             | MMLU Elementary Math              | MATH-Level1                        | MATH-Level5                       | MATH-500                          |
+| -------------------------------- | --------------------------------- | --------------------------------- | ---------------------------------- | --------------------------------- | --------------------------------- |
+| deepseek-qwen-14b                | 96.31 / 95.65 / 92.93             | 93.89 / **96.22** / 95.60         | 99.52 / 99.30 / 97.70              | 89.39 / 94.32 / 96.25             | 86.40 / 91.40 / 93.50             |
+| **ThinkEdit-deepseek-qwen-14b**  | **96.62** / **96.03** / **96.12** | **96.11** / **96.22** / **96.27** | **100.00** / **99.77** / **98.85** | **95.76** / **97.65** / **98.07** | **89.60** / **92.60** / **94.70** |
+| deepseek-llama3-8b               | 88.92 / 87.18 / 85.82             | 97.22 / 96.49 / 96.80             | 97.14 / 94.88 / 94.83              | 78.64 / 88.79 / 93.41             | 82.00 / 81.40 / 88.30             |
+| **ThinkEdit-deepseek-llama3-8b** | **97.08** / **95.27** / **93.95** | **97.78** / **98.65** / **97.87** | **100.00** / **99.30** / **98.62** | **95.61** / **96.89** / **97.12** | **92.80** / **93.60** / **94.40** |
+| deepseek-qwen-1.5b               | 88.46 / 87.48 / 85.02             | 62.78 / 62.16 / 60.53             | **97.62** / 95.12 / 93.91          | 91.52 / 95.00 / 95.72             | 82.40 / 89.80 / 93.40             |
+| **ThinkEdit-deepseek-qwen-1.5b** | **92.46** / **92.37** / **92.05** | **77.22** / **80.54** / **79.73** | 96.19 / **95.81** / **97.36**      | **93.79** / **95.83** / **95.80** | **92.80** / **94.40** / **94.90** |
+---
+### 3. Reasoning Lengths (Top 5% / 10% / 20% Shortest Responses)
+| Model                            | GSM8K                            | MMLU Elementary Math              | MATH-Level1                       | MATH-Level5                        | MATH-500                          |
+| -------------------------------- | -------------------------------- | --------------------------------- | --------------------------------- | ---------------------------------- | --------------------------------- |
+| deepseek-qwen-14b                | 76.6 / 86.5 / 99.1               | 65.8 / 72.2 / 80.6                | 93.7 / 114.3 / 188.6              | 628.8 / 858.4 / 1125.9             | 198.7 / 434.3 / 697.0             |
+| **ThinkEdit-deepseek-qwen-14b**  | **95.4** / **106.3** / **120.2** | **79.1** / **87.1** / **98.7**    | **125.1** / **150.2** / **243.4** | **698.5** / **906.6** / **1157.2** | **270.2** / **492.6** / **733.3** |
+| deepseek-llama3-8b               | 73.0 / 83.1 / 96.6               | 371.0 / 438.1 / 518.2             | 80.3 / 97.2 / 130.3               | 617.9 / 854.9 / 1126.5             | 159.5 / 357.5 / 644.5             |
+| **ThinkEdit-deepseek-llama3-8b** | **93.2** / **106.9** / **127.4** | **396.5** / **464.2** / **543.2** | **137.4** / **173.3** / **277.1** | **791.2** / **954.8** / **1185.1** | **305.2** / **506.3** / **737.6** |
+| deepseek-qwen-1.5b               | 78.8 / 89.4 / 103.0              | 61.6 / 68.5 / 77.6                | 88.8 / 110.3 / 219.7              | 804.6 / **1017.9** / **1314.0**    | 249.7 / 506.5 / 760.7             |
+| **ThinkEdit-deepseek-qwen-1.5b** | **97.2** / **109.4** / **126.3** | **75.9** / **85.0** / **99.5**    | **127.9** / **174.1** / **416.4** | **818.0** / 984.5 / 1214.3         | **435.0** / **612.9** / **800.6** |
+---
+## Usage
+The usage of ThinkEdit models is exactly the same as the original deepseek-distilled models.
+## Citation
+```bibtex
+@misc{sun2025thinkedit,
+      title={ThinkEdit: Interpretable Weight Editing to Mitigate Overly Short Thinking in Reasoning Models},
+      author={Chung-En Sun and Ge Yan and Tsui-Wei Weng},
+      year={2025},
+      eprint={2503.22048},
+      archivePrefix={arXiv},
+      primaryClass={cs.CL},
+      url={https://arxiv.org/abs/2503.22048},
+}
+```