LLaMA (Large Language Model Meta AI) is a family of open-source large language models developed by Meta. Available in sizes from 7B to 70B+ parameters, LLaMA models can be freely used, modified, and deployed, making them a popular choice for businesses that want to run AI locally or customize models without depending on proprietary providers. LLaMA has spawned numerous fine-tuned variants like Alpaca, Vicuna, and Code Llama.