Meta is committed to openly accessible AI. Read Mark Zuckerberg’s letter detailing why open source is good for developers, good for Meta, and good for the world.Bringing open intelligence to all, our latest models expand context length to 128K, add support across eight languages, and include Llama 3.1 405B—the first frontier-level open source AI model.Llama 3.1 405B is in a class of its own, with