Llama 3.1 is the latest generation large language model launched by Meta AI, featuring an expanded context length of 128K, support for eight languages, and the first open-sourced frontier AI model at the 405B parameter level. The model exhibits state-of-the-art capabilities in general knowledge, controllability, mathematics, tool usage, and multilingual translation, rivaling the best closed-source models. The release of Llama 3.1 will provide developers with tools to unlock new workflows, such as synthetic data generation and model distillation.