With each model download you'll receive:
Llama 2 models are trained on 2 trillion tokens and have double the context length of Llama 1. Llama Chat models have additionally been trained on over 1 million new human annotations.
Llama 2 pretrained models are trained on 2 trillion tokens, and have double the context length than Llama 1. Its fine-tuned models have been trained on over 1 million human annotations.
Safety and helpfulness
Llama Chat uses reinforcement learning from human feedback to ensure safety and helpfulness.
Our model and weights are licensed for both researchers and commercial entities, upholding the principles of openness. Our mission is to empower individuals, and industry through this opportunity, while fostering an environment of discovery and ethical AI advancements.
Partnerships
We have a broad range of supporters around the world who believe in our open approach to today’s AI — companies that have given early feedback and are excited to build with Llama 2, cloud providers that will include the model as part of their offering to customers, researchers committed to doing research with the model, and people across tech, academia, and policy who see the benefits of Llama and an open platform as we do.
Statement of support for Meta’s open approach to today’s AI
“We support an open innovation approach to AI. Responsible and open innovation gives us all a stake in the AI development process, bringing visibility, scrutiny and trust to these technologies. Opening today’s Llama models will let everyone benefit from this technology.”
Responsibility
To promote a responsible, collaborative AI innovation ecosystem, we’ve established a range of resources for all who use Llama 2: individuals, creators, developers, researchers, academics, and businesses of any size.
If you’d like to advance AI with us, visit our Careers page to discover more about AI at Meta.
Llama 2
Get answers to Llama 2 questions in our comprehensive FAQ page—from how it works, to how to use it, integrations, and more.
Some differences between the two models include:
Resources
Discover more about Llama 2 here — visit our resources, ranging from our research paper, how to get access, and more.