Update README.md

README.md

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 The extrapolated (ExPO) model based on [`alignment-handbook/zephyr-7b-dpo-full`](https://huggingface.co/alignment-handbook/zephyr-7b-dpo-full) and [`alignment-handbook/zephyr-7b-sft-full`](https://huggingface.co/alignment-handbook/zephyr-7b-sft-full), as in the "[Weak-to-Strong Extrapolation Expedites Alignment](https://arxiv.org/abs/2404.16792)" paper.
 
-Specifically, we obtain this model by extrapolating **(alpha = 0.3)** from the weights of the SFT and DPO/RLHF checkpoints, achieving superior alignment with human preference.
+Specifically, we obtain this model by extrapolating **(alpha = 0.3)** from the weights of the SFT and DPO/RLHF checkpoints, achieving superior alignment with human preference.
+
+This model achieves the **18.0%** win rate and **20.2%** LC win rate on **AlpacaEval 2.0**.
+
+## Evaluation Results
+
+Evaluation results on the **AlpacaEval 2.0** benchmark (you can find the evaluation outputs on the [official GitHub repo](https://github.com/chujiezheng/LLM-Extrapolation/tree/main/results_alpaca)):
+
+|                                      | Win Rate (Ori) | LC Win Rate (Ori) | Win Rate (+ ExPO) | LC Win Rate (+ ExPO) |
+| ------------------------------------ | -------------- | ----------------- | ----------------- | -------------------- |
+| `HuggingFaceH4/zephyr-7b-alpha`      | 6.7%           | 10.0%             | **10.6%**         | **13.6%**            |
+| `HuggingFaceH4/zephyr-7b-beta`       | 10.2%          | 13.2%             | **11.1%**         | **14.0%**            |
+| `berkeley-nest/Starling-LM-7B-alpha` | 15.0%          | 18.3%             | **18.2%**         | **19.5%**            |
+| `Nexusflow/Starling-LM-7B-beta`      | 26.6%          | 25.8%             | **29.6%**         | **26.4%**            |
+| `snorkelai/Snorkel-Mistral-PairRM`   | 24.7%          | 24.0%             | **28.8%**         | **26.4%**            |
+| `RLHFlow/LLaMA3-iterative-DPO-final` | 29.2%          | 36.0%             | **32.7%**         | **37.8%**            |
+| `internlm/internlm2-chat-1.8b`       | 3.8%           | 4.0%              | **5.2%**          | **4.3%**             |
+| `internlm/internlm2-chat-7b`         | 20.5%          | 18.3%             | **28.1%**         | **22.7%**            |
+| `internlm/internlm2-chat-20b`        | 36.1%          | 24.9%             | **46.2%**         | **27.2%**            |
+| `allenai/tulu-2-dpo-7b`              | 8.5%           | 10.2%             | **11.5%**         | **11.7%**            |
+| `allenai/tulu-2-dpo-13b`             | 11.2%          | 15.5%             | **15.6%**         | **17.6%**            |
+| `allenai/tulu-2-dpo-70b`             | 15.4%          | 21.2%             | **23.0%**         | **25.7%**            |
+
+Evaluation results on the **MT-Bench** benchmark (you can find the evaluation outputs on the [official GitHub repo](https://github.com/chujiezheng/LLM-Extrapolation/tree/main/results_mtbench)):
+
+|                                      | Original | + ExPO   |
+| ------------------------------------ | -------- | -------- |
+| `HuggingFaceH4/zephyr-7b-alpha`      | 6.85     | **6.87** |
+| `HuggingFaceH4/zephyr-7b-beta`       | 7.02     | **7.06** |
+| `berkeley-nest/Starling-LM-7B-alpha` | 7.82     | **7.91** |
+| `Nexusflow/Starling-LM-7B-beta`      | 8.10     | **8.18** |
+| `snorkelai/Snorkel-Mistral-PairRM`   | 7.63     | **7.69** |
+| `RLHFlow/LLaMA3-iterative-DPO-final` | 8.08     | **8.45** |
+| `internlm/internlm2-chat-1.8b`       | 5.17     | **5.26** |
+| `internlm/internlm2-chat-7b`         | 7.72     | **7.80** |
+| `internlm/internlm2-chat-20b`        | 8.13     | **8.26** |
+| `allenai/tulu-2-dpo-7b`              | 6.35     | **6.38** |
+| `allenai/tulu-2-dpo-13b`             | 7.00     | **7.26** |
+| `allenai/tulu-2-dpo-70b`             | 7.79     | **8.03** |
+