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---
title: README
emoji: 🦙
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colorTo: blue
sdk: static
pinned: true
---
# **Llama 2**
*From Meta*
Welcome to the Hugging Face organization for Llama 2 models from Meta!
Llama 2 is a collection of pretrained and fine-tuned generative text models ranging in scale from 7 billion to 70 billion parameters. Our fine-tuned LLMs, called Llama-2-Chat, are optimized for dialogue use cases. Llama-2-Chat models outperform open-source chat models on most benchmarks we tested, and in our human evaluations for helpfulness and safety, are on par with some popular closed-source models like ChatGPT and PaLM.
Read [our paper](https://ai.meta.com/research/publications/llama-2-open-foundation-and-fine-tuned-chat-models/), learn more [about the model](https://ai.meta.com/llama/), or get started with [code on GitHub](https://github.com/facebookresearch/llama).
## Accessing the models
To access all models in this organization, you have to read and accept the [license terms](https://ai.meta.com/llama/license/) and [acceptable use policy](https://ai.meta.com/llama/use-policy/) once at one of our models.
For example, you can access the [`LLama-2-7b-chat`](https://huggingface.co/meta-llama/Llama-2-7b-chat) read the conditions and `Agree and access repositories` when you are ready
## Llama Model Index
|Model|Llama2|Llama2-hf|Llama2-chat|Llama2-chat-hf|
|---|---|---|---|---|
|7B| [Link](https://huggingface.co/meta-llama/Llama-2-7b) | [Link](https://huggingface.co/meta-llama/Llama-2-7b-hf) | [Link](https://huggingface.co/meta-llama/Llama-2-7b-chat) | [Link](https://huggingface.co/meta-llama/Llama-2-7b-chat-hf)|
|13B| [Link](https://huggingface.co/meta-llama/Llama-2-13b) | [Link](https://huggingface.co/meta-llama/Llama-2-13b-hf) | [Link](https://huggingface.co/meta-llama/Llama-2-13b-chat) | [Link](https://huggingface.co/meta-llama/Llama-2-13b-chat-hf)|
|70B| [Link](https://huggingface.co/meta-llama/Llama-2-70b) | [Link](https://huggingface.co/meta-llama/Llama-2-70b-hf) | [Link](https://huggingface.co/meta-llama/Llama-2-70b-chat) | [Link](https://huggingface.co/meta-llama/Llama-2-70b-chat-hf)| |