"which means that Meta can technically legally pull the rug out from under your use of Llama 3.1 or its outputs at any time." It's not open source.
https://arstechnica.com/information-technology/2024/07/the-first-gpt-4-class-ai-model-anyone-can-download-has-arrived-llama-405b/
@pchestek good on @arstechnica for saying that up front.