RLHFlow
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LLaMA3-iterative-DPO-final

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 ---
+license: cc-by-nc-nd-3.0
 ---
+# LLaMA3-iterative-DPO-final
+## Introduction
+We release an unofficial checkpoint of a state-of-the-art instruct model of its class, **LLaMA3-iterative-DPO-final**.
+On all three widely-used instruct model benchmarks: **Alpaca-Eval-V2**, **MT-Bench**, **Chat-Arena-Hard**, our model outperforms all models of similar size (e.g., LLaMA-3-8B-it), most large open-sourced models (e.g., Mixtral-8x7B-it),
+and strong proprietary models (e.g., GPT-3.5-turbo-0613). The model is trained with open-sourced datasets without any additional human-/GPT4-labeling.
+## Model Releases
+See the [collection](https://huggingface.co/collections/RLHFlow/online-rlhf-663ae95fade1a39663dab218) of the training set, reward/preference model, SFT model.
+- [SFT model](https://huggingface.co/RLHFlow/LLaMA3-SFT)
+- [Reward model](https://huggingface.co/sfairXC/FsfairX-LLaMA3-RM-v0.1)
+## Dataset
+- [Preference data mix](https://huggingface.co/datasets/hendrydong/preference_700K)
+- [Prompt collection for RLHF training](https://huggingface.co/datasets/RLHFlow/prompt-collection-v0.1)
+## Training methods
+We have developed a simple and efficient online RLHF recipe for LLM instruct training. Our recipe is DPO-based and thus much cheaper and simpler to train and tune compared to PPO-based approaches.
+Unlike widely-used offline DPO, the online component of our approach effectively mitigates distribution shifts during policy optimization.
+For a detailed exposition, please refer to our accompanying technical report.
+## Chat Benchmarks
+| **Model**               | **Size** | **Method**        | **LC Alpaca-Eval-V2** | **MT-Bench** | **Chat-Arena-Hard** |
+|-------------------------|----------|-------------------|-----------------------|--------------|---------------------|
+| **Small Open-Sourced Models**           |          |                   |                       |              |                     |
+| Gemma-7B-it             | 7B       | SFT               | 10.4                  | 6.38         | 7.5                 |
+| Zephyr-7B-beta          | 7B       | Vanilla DPO       | 13.1                  | 7.34         | -                   |
+| Mistral-7B-v0.2-it      | 7B       | SFT               | 17.1                  | 7.51         | 12.6                |
+| Open-Chat-0106          | 7B       | SFT               | 15.6                  | 7.8          | -                   |
+| Starling-7B-beta        | 7B       | PPO               | 25.8                  | 8.12         | 23.0                |
+| LLaMA-3-8B-it           | 8B       | RS+DPO+PPO        | 22.9                  | 8.16         | 20.6                |
+| **Ours**                |          |                   |                       |              |                     |
+| Ours (SFT baseline)     | 8B       | SFT               | 10.2                  | 7.69         | 5.6                 |
+| Ours (DPO baseline)     | 8B       | Vanilla DPO       | 22.5                  | 8.17         | 22.4                |
+| Ours (Online RLHF)      | 8B       | Iterative DPO     | **37.2**              | **8.46**     | **29.1**            |
+| **Large Open-Sourced Models**       |          |                   |                       |              |                     |
+| Vicuna-33b-v1.3         | 33B      | SFT               | 17.6                  | 7.12         | 8.6                 |
+| Yi-34B-Chat             | 34B      | SFT               | 27.2                  | -            | 23.1                |
+| Mixtral-8x7B-it         | 45B*     | SFT               | 23.7                  | 8.30         | 23.4                |
+| Tulu-2-DPO-70B          | 70B      | Vanilla DPO       | 21.2                  | 7.89         | 15.0                |
+| LLaMA-3-70B-it          | 70B      | RS+DPO+PPO        | 34.4                  | 8.95         | 41.1                |
+| Mixtral-8x22B-it        | 141B*    | SFT               | 30.9                  | 8.66         | 36.4                |
+| **Proprietary Models**  |       |                   |                       |              |                     |
+| GPT-3.5-turbo-1106      | -        | -                 | 19.3                  | 8.35         | 18.9                |
+| GPT-3.5-turbo-0613      | -        | -                 | 22.7                  | 8.39         | 24.8                |
+| GPT-4-0613              | -        | -                 | 30.2                  | 9.18         | 37.9                |
+| Claude-3-Opus           | -        | -                 | 40.5                  | 9.00         | 60.4                |
+| GPT-4 Turbo (04/09)     | -        | -                 | 55.0                  | -            | 82.6                |
+## Academic Benchmarks
+| **Model**                  | **Size** | **Method**      | **GSM-8K** | **MMLU** | **HumanEval** | **TruthfulQA** | **ARC** | **MBPP** |
+|----------------------------|----------|-----------------|------------|----------|---------------|----------------|---------|----------|
+| LLaMA-3-8B-it              | 8B       | RS+DPO+PPO      | 79.6       | 66.0     | 61.6          | 43.9           | 59.5    | 61.1     |
+| Ours (SFT baseline)        | 8B       | SFT             | 74.2       | 64.7     | 65.2          | 53.4           | 61.4    | 62.3     |
+| Ours (DPO baseline)        | 8B       | Vanilla DPO     | 79.8       | 64.5     | 63.4          | 61.8           | 65.2    | 60.3     |
+| Ours (Iterative RLHF)      | 8B       | Iterative DPO   | 80.7       | 65.3     | 64.6          | 60.4           | 64.3    | 60.8     |
+## Usage
+```python
+from transformers import AutoModelForCausalLM, AutoTokenizer
+device = "cuda"
+model = AutoModelForCausalLM.from_pretrained("RLHFlow/LLaMA3-iterative-DPO-final")
+tokenizer = AutoTokenizer.from_pretrained("RLHFlow/LLaMA3-iterative-DPO-final")
+messages = [
+    {"role": "user", "content": "I'm trying to teach myself to have nicer handwriting. Can you help?"},
+]
+model_inputs = tokenizer.apply_chat_template(messages, return_tensors="pt")
+model_inputs = model_inputs.to(device)
+model.to(device)
+output_tokens = model.generate(model_inputs, max_new_tokens=1024, do_sample=True)
+model_outputs = tokenizer.batch_decode(output_tokens)
+print(model_outputs[0])
+```
+## Limitations
+RLHFlow/LLaMA3-iterative-DPO-final is an unofficial checkpoint developed to illustrate the power of online iterative RLHF and is for research purpose. While safety and ethical considerations are integral to our alignment process,
+there remains the possibility that the model could generate offensive or unethical content, particularly under adversarial conditions.
+We are committed to continuous improvement in our models to minimize such risks and encourage responsible usage.
+## Citation
+Please cite our techical report if you find our model is useful for your research or product.
+```
+@misc{dong2024rlhf,
+      title={RLHF Workflow: From Reward Modeling to Online RLHF},
+      author={Hanze Dong and Wei Xiong and Bo Pang and Haoxiang Wang and Han Zhao and Yingbo Zhou and Nan Jiang and Doyen Sahoo and Caiming Xiong and Tong Zhang},
+      year={2024},
+      eprint={2405.07863},
+      archivePrefix={arXiv},
+      primaryClass={cs.LG}
+}
+@misc{xiong2024iterative,
+      title={Iterative Preference Learning from Human Feedback: Bridging Theory and Practice for RLHF under KL-Constraint},
+      author={Wei Xiong and Hanze Dong and Chenlu Ye and Ziqi Wang and Han Zhong and Heng Ji and Nan Jiang and Tong Zhang},
+      year={2024},
+      eprint={2312.11456},
+      archivePrefix={arXiv},
+      primaryClass={cs.LG}
+}
+```