Llama 2

🌟 The next generation of our open source large language model is here! 🌟

🔎 Features:

- Model weights and starting code for pretrained and fine-tuned Llama language models

- Ranging from 7B to 70B parameters

📈 What's new with Llama 2?

- Trained on 40% more data than Llama 1

- Double the context length

📚 Training Llama-2-chat:

Llama 2 goes through a comprehensive training process:

1. Pretraining: Using publicly available online data

2. Supervised fine-tuning: Creating an initial version of Llama-2-chat

3. Iterative refinement: Utilizing Reinforcement Learning from Human Feedback (RLHF)

- Includes rejection sampling and proximal policy optimization (PPO)

Discover the power of Llama 2, the latest in language models! Get ready for enhanced performance and improved capabilities. 🚀