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---
library_name: transformers
tags:
- Chat Model
- SFT
- RLHF
license: llama3
pipeline_tag: text-generation
---
# Llama3-PBM-Nova-70B
## Introduction
Llama3-PBM-Nova-70B is a chat model developed by PKU-Baichuan-MLSysLab, based on the Llama3-70B. In order to better utilize open-source data, we've performed deduplication, quality filtering, and data synthesis on it. Then, through Supervised Fine-Tuning (SFT) and Reinforcement Learning from Human Feedback (RLHF), we've significantly enhanced the base model's performance.
- **Paper:** [Baichuan Alignment Technical Report](https://huggingface.co/papers/2410.14940)
- **Developed by:** [PKU-Baichuan-MLSysLab](https://github.com/PKU-Baichuan-MLSystemLab)
- **Base Model:** [Llama-3-70B](https://huggingface.co/meta-llama/Meta-Llama-3-70B)
- **Model Type:** Chat Model
- **Training Method:** SFT + RLHF
- **Release Date:** August 2024
## Evaluation
| Model | Arena-Hard | MixEval-Hard | Alpaca-Eval 2.0 |
|------------------------|------------|--------------|-----------------|
| GPT-4Turbo (04/09) | 82.6% | 62.6 | 55.0% |
| GPT-4o (05/13) | 79.2% | 64.7 | 57.5% |
| Gemini 1.5 Pro | 72.0% | 58.3 | - |
| Llama3-PBM-Nova-70B | 74.5% | 58.1 | 56.9% |
| Llama-3.1-70B-Instruct | 55.7% | 61.25 | 38.1% |
| Llama-3-70B-Instruct | 46.6% | 55.9 | 34.4% |
## Usage
Below is an example of how to use this model based on the Transformers library.
```
import transformers
import torch
model_id = "PKU-Baichuan-MLSystemLab/Llama3-PBM-Nova-70B"
pipeline = transformers.pipeline(
"text-generation",
model=model_id,
model_kwargs={"torch_dtype": torch.bfloat16},
device_map="auto",
)
messages = [
{"role": "user", "content": "Who are you?"},
]
terminators = [
pipeline.tokenizer.eos_token_id,
pipeline.tokenizer.convert_tokens_to_ids("<|eot_id|>")
]
outputs = pipeline(
messages,
max_new_tokens=256,
eos_token_id=terminators,
do_sample=True,
temperature=0.6,
top_p=0.9,
)
print(outputs[0]["generated_text"][-1])
```
## License
- [LLAMA3 License](https://huggingface.co/meta-llama/Meta-Llama-3-70B/blob/main/LICENSE) |